Stomata is organ within a common plant which starts the process of transpiration.
Explanation:
Water is released by plant in water vapor or moisture form is known as transpiration. In the process of transpiration, a very little amount of water is absorbed by root and left out water is evaporated in the atmosphere.
Transpiration can be of different types. The most common is stomatal transpiration. It is in the pores of the plant leaves. Here from plant about 80% to 90% of water is lost from plant. Transpiration is affected by climate. Stomata Distribution also affects transpiration
Which statement describes the reaction for cellular respiration? The equation is carbon dioxide + water Right-arrow glucose + oxygen + water and energy is required in the form of light The equation is glucose + oxygen Right-arrow carbon dioxide + water and energy is produced in the form of ATP. The equation is carbon dioxide + water Right-arrow glucose + oxygen + water and energy is produced in the form of ATP. The equation is glucose + oxygen Right-arrow carbon dioxide + water and energy is required in the form of light.
Answer:
glucose + oxygen Right-arrow carbon dioxide + water and energy is produced in the form of ATP. This is the correct equation.
Explanation:
In cellular respiration -
If oxygen is present glucose molecules breakdown release energy in the form of ATP.
Here 1 glucose molecule in the presence of 6 oxygen molecules gives 6 carbon dioxide and 6 water molecules And 36 ATP as energy.
aerobic cellular respiration is very efficient in energy production as it gives high energy.
Answer:
this is the answer on ed 2020
glucose + oxygen Right-arrow carbon dioxide + water and energy is produced in the form of ATP.
Explanation:
6. The terms ac, al, ary, and ic are all
A. noun suffixes indicating procedures.
B. pseudosuffixes formed from roots.
C. adjective suffixes meaning "pertaining to."
D. prefixes that function as prepositions.
Answer: Option C.
They are adjective suffix meaning pertaining too.
Explanation:
Suffix is a word that is attached to the root or stem of a word to change its general meaning.
An adjective suffix refers to letters added to the root of a noun to qualify it.
Ac, Al, ary and ic are all adjective suffice that meaning pertaining too or having the character of the named stem word.
The terms ac, al, ary, and ic are all adjective suffixes meaning 'pertaining to'.
Explanation:The terms ac, al, ary, and ic are all adjective suffixes meaning 'pertaining to'. These suffixes are added to root words to change the meaning of the root word and make it an adjective. For example, 'academic' means 'pertaining to academics' and 'musical' means 'pertaining to music'.
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Increase of greenhouse gases, due to human activity, is melting sea ice at the poles. This causes changes in climate. Which three spheres interact in this process?
Atmosphere, biosphere, and cryosphere
Biosphere, hydrosphere, and geosphere
Geosophere, cryosphere, and hydrosphere
Hydrosphere, biosphere, and cryosphere
Final answer:
The three spheres that interact in the process of climate change due to the melting of polar ice are the atmosphere, cryosphere, and hydrosphere.
Explanation:
The increase of greenhouse gases, due to human activity, is melting sea ice at the poles and causing changes in climate. In this process, three spheres that interact are the atmosphere (where greenhouse gases such as carbon dioxide trap heat), the cryosphere (which includes all of the Earth's frozen water, particularly the polar ice that is melting), and the hydrosphere (since melting sea ice directly affects the oceans). These spheres all contribute to the Earth's climate system and are impacted by human-induced climate change.
solid liquid and gases states of matter are determined only by temperature
The statement is false because both temperature and pressure play crucial roles in determining the state of matter, alongside intermolecular forces and energy changes.
While temperature is a critical factor in determining the state of matter (solid, liquid, and gas), it is not the only factor; pressure also plays a significant role. For example, water can exist as ice (solid), liquid water, or steam (gas) primarily dependent on temperature.
However, the application of pressure can alter the temperature at which these changes occur. Atmospheric pressure impacts the boiling point of liquids, which is why water boils at a lower temperature at higher elevations where air pressure is lower. Moreover, the ability of a substance to change states between solid, liquid, and gas involves energy changes and intermolecular forces, indicating that the state of matter is the result of a balance between kinetic energy (dependent on temperature) and intermolecular attractions (which can be influenced by pressure).
The question is:
True or False:
Solid, liquid and gas states of matter are determined only by temperature.
Which of the following material has the highest electrical conductivity?
Wood
Clay brick
Iron
Aluminum
Copper
Nickel
Answer:
I would think Aluminum but i'm not 100% positive.
Explanation:
Among the materials listed, option E. copper has the highest electrical conductivity, making it ideal for electrical wiring. Metals generally conduct electricity well due to free electrons.
Metals typically have the highest electrical conductivity values because they have free electrons, which make it easier for electricity to flow through them. Therefore copper is normally utilized in electrical wiring and different applications requiring effective electrical conduction.
Here is a correlation of the materials recorded:
Wood: Unfortunate conveyor, utilized as an insulator.Clay block: Unfortunate transmitter, principally utilized in construction.Iron: Great channel, yet not generally so high as copper or aluminum.Aluminum: Awesome conduit, frequently utilized in power lines.Copper: Phenomenal conduit, usually utilized in electrical wires.Nickel: Great conveyor, yet not quite so high as copper or aluminum.Complete question :
Which of the following material has the highest electrical conductivity?
A. Wood
B. Clay brick
C. Iron
D. Aluminum
E. Copper
F. Nickel
New evidence does not change what scientists already believe to be true.
Answer: TRUE
Explanation:
what organic molecules are in chicken
Answer:
carbon, hydrogen, oxygen, and nitrogen (CHON). Nucleic acids such as DNA and RNA contain carbon, hydrogen, oxygen, nitrogen, and phosphorus (CHON P).
Explanation:
A chicken provides protein and therefore the chicken will have the molecules present in a protein
Chicken contains essential organic molecules such as carbohydrates, proteins, lipids, and nucleic acids. Proteins in chicken are particularly valuable for their amino acids, while the nutritional quality can vary based on farming practices.
Explanation:The organic molecules found in chicken include a variety of important classes necessary for the body's nutrition and biological functions. These molecules are carbohydrates, proteins, lipids (fats), and nucleic acids. Chicken provides proteins that are broken down during digestion to amino acids, which are then used by the body as building blocks for new proteins and as precursors for nucleic acids. The body also converts excess carbohydrates into glucose, which is used as energy, and stores any surplus in the form of glycogen. While the body can synthesize many molecules, essential nutrients like certain fatty acids and vitamins must come from our diet.
One of the key nutritional aspects of chicken is that it is a rich source of protein, essential for building and repairing tissues. However, it's important to note that the nutritional quality of chicken can be affected by farming practices. For instance, chicken from concentrated animal-feeding operations may have higher levels of saturated fat and lower quantities of beneficial compounds like omega-3 fatty acids compared to those from other sources.
At each stage of the trophic levels, how much energy is lost?
Answer:
At each stage of the trophic levels, only 10% energy is transferred from one level to another.
Explanation:
In an ecosystem transfer of energy from one stage to another is very inefficient. From first stage to next stage only 10% energy is transferred to next trophic level. Rest 90% lost in environment.
This is known as LINDEMAN's TEN PERCENT LAW. Given by Raymond lindeman.Only 10% energy from one trophic level to next trophic level is transferred. Rest is used in respiration, breakdown etc.
First stage of trophic level has the highest energy and the last trophic level has the lowest amount of energy.
About 90 percent of energy is lost at each trophic level, used for metabolic processes, growth, repair, and released as heat. The second law of thermodynamics explains these losses. This results in typically no more than four trophic levels in a food chain.
Explanation:At each stage of the trophic levels, about 90 percent of the energy is lost. This energy is used by organisms at that level for their metabolic processes, growth, and repair. Notable is the production of heat or thermal energy, which is lost to the environment.
This loss of energy from one trophic level to the next is in accordance with the second law of thermodynamics, stating that there is a tendency toward disorder (entropy) in any system where energy is converted from one form to another.
As a result of these energy losses, there are typically fewer organisms and less biomass at higher trophic levels and rarely more than four trophic levels in a food chain or web, due to insufficient energy to support additional organisms.
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Choose all that apply below to DNA:
double helix
takes the original code out of the nucleus and translate it into proteins
contains the original code to make proteins
contains thymine
contains uracil
contains guanine
single strand helix
contains adenine
contains cytosine
Answer:
The DNA: is a double helix, contains the original code to make proteins, contains thymine, contains guanine, contains adenine, contains cytosine
Explanation:
The DNA is a double helix linked to both chains by hydrogen bridge bonds; It is formed by the nitrogen bases Adenina that is paired with Thymine and Cytosine with Guanine, sugar: deoxyribose and phosphate groups. The genome of a certain organism is found in the DNA, that portion of the genome that codes for an RNA or protein is called a gene.
Those genes that code for proteins are composed of "codons" (units of 3 nucleotides), being that each of them codes for an amino acid.
If a plant's leaves developed so that its vascular tissue only contained xylem, how would this affect the rest of the plant's physiological processes?
Answer:
If a plant's leaves only contained the vascular tissue xylem, then it will not be possible for the plant to absorb carbon dioxide. As carbon dioxide is required for photosynthesis to occur, this means that the process of photosynthesis will not take place. As a result, the plant will not be able to produce food as photosynthesis is the process by which plants make food. This will result in the plant to die eventually in the end due to lack of food.
Answer:
- The carbon dioxide required for photosynthesis would not be absorbed and transported to the leaf cells, and photosynthesis would stop.
Explanation:
This should be correct, It was on my test
The process by which two or more of these molecules are bonded together in a muscle cell is known as?
Answer:
enzymatic hydrolysis
Explanation:
Enzymatic hydrolysis is a process in which enzymes facilitate the cleavage of bonds in molecules with the addition of the elements of water. It plays an important role in the digestion of food. It may be used to help provide renewable energy, as with cellulosic ethanol.
List two different food from dinks g That are produced in any other country using fermentation
Kombucha and root beer are two foods produced in other country using fermenatation.
Explanation:Kombucha is a very popular Asian drink that is actually a slightly fermented and slightly alcoholic green tea. Black tea can also be used. This gives a sweetened and spicy flavour of the tea along with the refreshment of tea. Its fizzy to taste, and can have several flavorings added to it.
Root beer is a very popular North American drink that is made from the sassafras bark or sarsaparilla. Its very spicy in taste and thick in texture, with the color of beet. It can be alcoholic or non alcoholic.
PLZ ANSWER
Sexual reproduction involves sex cells. The female reproductive cell is a(an) _______
and the male reproductive cell is a(an) _______
. The male and female sex cells combine in a process called fertilization to form a ______
that eventually grows and develops into an offspring.
Answer:
[see explanation]
Explanation:
(This applies with human reproduction)
The female reproductive cell is a(an) egg cell. The male reproductive cell is a(an) sperm cell.The egg and sperm would combine to form a zygote, which would develop into a child.Sexual reproduction involves sex cells. The female reproductive cell is an egg or ovum and the male reproductive cell is a sperm.
What is sexual reproduction?The male and female sex cells combine in a process called fertilization to form a zygote that eventually grows and develops into an offspring.
Sexual reproduction is a type of reproduction in which genetic information is exchanged between two individuals of the same species to produce offspring that are genetically diverse from their parents. This genetic diversity is achieved through the fusion of gametes, or sex cells, which contain half the genetic material of the parent organism.
In sexual reproduction, the male and female individuals produce specialized cells called sperm and eggs, respectively. These cells combine through a process called fertilization, which results in the formation of a zygote. The zygote then undergoes cell division and differentiation to form an embryo, which eventually develops into an offspring.
Sexual reproduction has several advantages, including genetic diversity, which allows for greater adaptability and survival in changing environments, and the ability to eliminate harmful mutations through genetic recombination. However, sexual reproduction also requires a significant amount of energy and resources compared to asexual reproduction.
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Russian biologist Konstantin Mereschkowski published a work containing the endosymbiotic theory in the early 20th century. The endosymbiotic theory holds that eukaryotic cells came to exist because groups of smaller structures, such as organelles, joined together to benefit one another. The communities of structures adapted and became a single organism. Many modern biologists believe that the endosymbiotic theory explains the origin of eukaryotic cells. How does this explanation of the endosymbiotic theory indicate that a eukaryotic cell is complex?
A. The explanation indicates that eukaryotic cells developed by accident.
B.The explanation indicates that eukaryotic cells developed gradually over time.
C.The explanation indicates that eukaryotic cells were developed intentionally.
D.The explanation indicates that eukaryotic cells were developed by multiple entities.
The explanation indicates that eukaryotic cells were developed by multiple entities.
What is Endosymbiotic theory?It's possible that eukaryotic cells originated when different cell types fused to form one. They started coexisting in what are known as symbiotic partnerships.
Endosymbiotic theory is the explanation for how this could have occurred. One organism that resides inside of another is known as an endosymbiont.
Both the chloroplast and the mitochondrion are organelles that were previously free-living cells. They were prokaryotes that became ensconced within other cells (host cells). They could have become a part of the other cell by being eaten (a process known as phagocytosis), or they could have been parasites living inside the host cell.
Therefore, The explanation indicates that eukaryotic cells were developed by multiple entities.
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Which behavior can reduce pollution that occurs due to the use of coal?
O
A. Turn off electric lights when they are not in use.
B. Support the construction of new coal-based power plants.
O
C. Install a second refrigerator in the hot garage.
D. Replace a conventional car with an electric car.
SUBMIT
Final answer:
To reduce pollution from coal use, turn off lights when not in use, switch to alternative energy, and focus on energy and fuel efficiency.
Explanation:
The behavior that can reduce pollution due to the use of coal is turning off electric lights when they are not in use (Option A). This is because many power plants burn coal to produce electricity, so using less electricity directly reduces the amount of coal burned. Additionally, one can support changes to alternative energy sources such as solar or wind power that do not produce air pollution, and make choices in purchasing appliances and vehicles that prioritize energy-efficiency and fuel-efficiency, respectively. Lastly, promoting the use of environmentally friendly transport methods like walking, cycling, or using public transportation also contributes to reduced fossil fuel consumption.
What is one similarity between active and passive transport?
Group of answer choices
both involve producing new cells
both involve moving substances against their concentration gradient
both involve moving substances across a membrane
both involve using chemical energy
Answer:
The correct answer is both involve moving substance across the membrane.
Explanation:
Passive transport is one of the most important membrane transport process which helps in transport of polar molecules and gases along their concentration gradient across the plasma membrane.No addition energy is required to carry out passive transport because during passive transport molecules move from high concentration region to the region of low concentration.
Active transport is a specific type of membrane transport process which helps in the passage of ions against their concentration gradient across the plasma membrane.As the ions are moving against their concentration gradient additional chemical energy is required to carry out their uphill transport.
Final answer:
Both active and passive transport involve the movement of substances across a cell membrane, which is their core similarity.
Explanation:
One similarity between active and passive transport is that both involve moving substances across a membrane, therefore The correct answer to the question regarding one similarity between active and passive transport is that both involve moving substances across a membrane. While active transport requires energy, often in the form of ATP, to move substances against their concentration gradient, passive transport does not require energy and substances move along their concentration gradient, from high to low concentration. However, regardless of whether substances are moved via active or passive transport, the movement across the cell membrane is the core similarity between the two modes of transport.
The appearance of banded iron layers in the rock record between 1.08 and 3.8 billion years ago reflect the alteration of oxygen-rich and oxygen-poor conditions in the ocean at that time.
True or False
The appearance of banded iron layers in the rock record between 1.08 and 3.8 billion years ago reflect the alteration of oxygen-rich and oxygen-poor conditions in the ocean at that time is True.
Explanation:
Banded rocks have layers of iron oxide and cherts that contain silica. The layer containing iron oxide has a dark color and the chert layer is red in color. Haematite and magnetite are usually the iron oxides that make up the banded rocks.
Banded rocks were formed by the reaction of iron in the oceans with the oxygen produces by photosynthetic bacteria in the ocean. The reaction caused the formation of iron oxides and their precipitation as Banded iron formations.
The presence of free oxygen is crucial for the formation of banded rocks and the formation reduced drastically after 1800 mya period when atmospheric oxygen availability was reduced. Banded rocks represent the oxygen rich and oxygen-poor condition of the ocean at that time.
The smooth ER does not have any visible
A. ribosomes
B. chromosomes
C. nucleotide
Answer:
a) ribosomes
Explanation:
cause its not seen
Answer:
The smooth ER does not have any visible A) Ribosomes
Explanation:
This is because they cannot be seen within the smooth ER, but their presence is very much real.
Classify the sources as point source pollution or non-point source pollution.
smoke from a factory
smoke from cars
sewage
oil from a garage that
is released into water
Point Source Pollution
Non-Point Source Pollution
Reset
Next
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Answer:
Point source pollution:
Smoke from a factory Sewage Oil from a garage that is released into waterNon-point source pollution:
Smoke from carsExplanation:
According to United States Environmental Protection Agency (EPA) regulations, point source pollution is a type of pollution in which contaminant is released into the environment from an easily identified source. In the examples given above, smoke from a factory, sewage, and oil effluents are coming from easily identifiable sources.
On the other hand, a non-point source of pollution is the release of contaminant in the environment through diffused or unidentifiable sources. In the examples given above, smoke from cars could be stated as non-point sources of pollution because vehicles are in a continously moving state.
Smoke from a factory and sewage are classified as point source pollution due to their identifiable origins, whereas smoke from cars represents non-point source pollution due to its diffuse sources. Oil from a garage can be classified as point source pollution when it comes from a particular location.
Explanation:The classification of pollution sources into point source pollution and non-point source pollution is based on their emissions and locations. Point source pollution comes from identifiable, confined, and discrete locations, while non-point source pollution comes from widespread, diffuse sources.
Smoke from a factory is a point source pollution because it comes from a single, identifiable source.Smoke from cars is non-point source pollution because it is widespread and comes from multiple vehicles on roads and highways.Sewage, especially from a treatment plant or combined sewer systems, is identified as point source pollution due to the facility being a singular, identifiable source.Oil from a garage that is released into water can be considered point source pollution if it is linked to a specific, identifiable location like a drain or disposal site.Understanding these distinctions helps in the application of environmental regulations and informs the strategies for mitigating the impacts of pollution.
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The diagram shows the embryological development of a species.
Which is best supported by the diagram?
1. The species must be human because it has gill slits, limb buds, and a tail.
2. The species could be human because it has gill slits, limb buds, and a tail.
3. The species is not related to a human because it has gill slits.
4. The species is not related to a human because it has a tail.
Answer:
The answer is b or The species could be human because it has gill slits, limb buds, and a tail.
Explanation:
When Humans are in the embryology stage we have tails, gill slits, and also buds of that are the beginings for limbs
They offer solid proof of natural selection. The tail and gill slits found in all early vertebrate embryos are just two examples of embryological evidence that suggests similar ancestry. Thus, option B is correct.
What are the phenotypic feature of human embryo?In fact, young human embryos do have slits in their necks that resemble gills. Instead of because we go through a “fish stage” while growing into physiologically perfect beings within our mothers' wombs.
Due to a shared ancestor and some DNA between humans and fish, this is almost certainly true. Given that it has limb buds, gill slits, and a tail, the species might be human.
In chordates, the anterior part of the digestive tract (pharynx) has pouches or slits. These are present during development in all vertebrate species and play a role in gas exchange and feeding in fish and some amphibians.
Therefore, When Humans are in the embryology stage we have tails, gill slits, and also buds of that are the beginnings for limbs.
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A biological process that occurs in both plants and animals is shown below.
B
АТР
Which row in the chart below identifies the lettered substances in this process?
Row I A I B I . I D
(1) | 02 Co, glucose enzymes
glucose
enzymes CO,
(3) enzymes Og Coz glucose
(4) glucose
enzymes
(2)
O2
CO2
Answer:
Cellular respiration is the biological process that occurs in both plants and animals.
Option (row )2 is the right one that fits in the equation.
A + B → D + ATP + H2O (In the presence of C)
A. glucose
B. O2
C. Enzyme
D. CO2
Glucose + O2 → CO2 + ATP + H2O (in the presence of Enzyme)
Cellular respiration is a reverse process of photosynthesis. During cellular respiration, a glucose molecule is gradually broken down into carbon dioxide and water. Along the way, some ATP is produced directly in the reactions that transform glucose.
Answer: B
A-Glucose
B-Oxygen
C- Enzyme
D- CO2
Complete Equation
Glucose + Oxygen → ATP + C02 + H20.
enzyme
Explanation:
This represented the chemical pathway of Cellular respiration. it is the process of breaking down glucose in the cytoplasm to pyruvate in presence of enzymes(hexokinase, phosphorfructokinase) the process is called Glycolysis,
The use of the pyruvate as acetyl Co A combined with oxaloacetate to generate ATP, and produce C02 and H20 vapour as by-products in a pathway called Kreb-Cycle. H+ are removed by Coenzymes NADH+ and FADH+
The NADH+ and FADH+ are transferred to the mitochondria matrix , where Hydrogen is split to H+ and e-for ECT, The e- forms the electron transport chain, and while the H+ is pumped by PMF across the mitochondria intramembrane to generate energy from electrochemical gradients which is needed for ATPs synthesis, by ATPase synthase. Oxygen is the final oxygen acceptor.
Thus option B is the answer.
Sort the examples into the correct categories:
•Homologous Structures
•Analogous Structures
•Vestigial Structures
-the hip and shoulder bones of snakes
-the wings of a dragonfly and the wings of a bat
-the front legs of a horse and the wings of a bat
Answer:
the wings of a dragonfly and the wigs of a bat
Answer:
•(HOMOLOGOUS STRUCTURE)the front leg of a horse and the wing of a bat
•(ANALOGOUS STRUCTURE); the wings of a dragonfly and the wings of a bat
•(VESTIGIAL STRUCTURE); the hip and shoulder bones of snakes
Explanation:
Homologous structures refers to those organs or skeletal elements of animals and organisms that posses some connection to a common ancestor. Though the structures may not have the same appearance or function.Example of homologous structures can be noticed in these organisms;
1.) the wings of a bat
2.)the arms of a human.
Both Bats and humans have ancestry that is common and they are both mammals with similar internal bone structure.
Analogous structures reffer to as biological structures with similar functions but from evolutionary origin that are different.Analogous can also be described as having similar structures in unrelated organisms. These structures are similar because perform same job, not as a result of sharing common ancestry.
Vegitive structures that have no feasible function and seems to be residual parts from thier past ancestor. They include: the pelvic bone of a snake, and the wings of flightless birds.
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Match the following items.
1. hippocampus
2. Interference
3. Mnemonic device
4. Recovered memory
5. Repression
6. Retrograde amnesia
a. Remembering long forgotten memories with someone’s help
b. Anything that inhibits your brains ability to remember
c. Memory trick to give you cues and aid your ability to retrieve information
d. Moving difficult information from the conscious to the unconscious mind
e. Part of the brain that aids long term memory
f. Inability to remember events that happened prior to the brain injury
Answer:
1=E
2=B
3=C
4=A
5=D
6=F
Explanation:
Well, for mnemonic device, it's also another word for memory techniques.
for example;
ROYGBIV
CRAO
I/O
They're shorter ways of recalling stuff buried in your Hippocampus especially when there's no Interference or retrograde amnesia.
Peace.
Answer:
1. hippocampus = E. Part of the brain that aids long term memory
2. Interference = B. Anything that inhibits your brains ability to remember
3. Mnemonic device = C. Memory trick to give you cues and aid your ability to retrieve information
4. Recovered memory = A. Remembering long forgotten memories with someone’s help
5. Repression = D. Moving difficult information from the conscious to the unconscious mind
6. Retrograde amnesia = F. Inability to remember events that happened prior to the brain injury
biosynthesis process in decomposers
Biosynthesis process in decomposers
Decomposer is the organism that breaks down complex organic compound into simpler form. Biosynthesis is a process that converts simpler compounds into more complex compound within living organisms. Bacteria, worm, slugs, fungi like mushroom are some examples of decomposer. Some process of biosynthesis is amino acid synthesis, photosynthesis, chemosynthesis and biosynthesis is necessary to carry out the cellular process in organism. Biosynthesis is also called as anabolism process. Precursor compounds, chemical energy, coenzymes are some requirements for biosynthesis process.Illustrate how body cavities distinguish branches of development of animals with bilateral symmetry.
Answer: no body cavity—acoelomates; body cavity not completely lined with mesoderm—pseudocoelomates; body cavity completely lined with mesoderm—coelomates
Bilateral symmetry in animals facilitates directional movement and complex behaviors, differing from radial and asymmetrical forms. Cephalization and triploblastic tissue structure in bilaterally symmetrical animals imply advanced body plans connected to their active lifestyles.
Explanation:Body Cavities and Bilateral Symmetry in Animal DevelopmentBilateral symmetry is a fundamental characteristic of many animals, where a longitudinal section divides the organism into mirror-imaged right and left sides. This form of symmetry is closely associated with the concept of cephalization, which is the development of a head with sensory organs and nervous tissue concentrations, crucial for navigating the environment. Animals such as butterflies, crabs, and humans are typical examples of organisms with bilateral symmetry. In contrast to radial symmetry, seen in stationary or sessile aquatic animals like sea anemones, bilateral symmetry facilitates directional movement and complex behavior patterns. While radial symmetry suits a sedentary lifestyle of feeding on surrounding water currents, bilateral symmetry is conducive to active hunting and escaping predators, enhancing an organism's ability to interact with its environment effectively.
For example, while the phylum Echinodermata, which includes sea stars and sea urchins, exhibits radial symmetry in adulthood, these organisms demonstrate bilateral symmetry during their larval stage. This phenomenon is called secondary radial symmetry and indicates their evolutionary path from bilaterally symmetrical ancestors. Most animals with bilateral symmetry are triploblastic, with tissue layers organized into an ectoderm, mesoderm, and endoderm, a structure that allows for more complex body cavities and organ systems compared to animals with other forms of symmetry.
Understanding symmetry in animals provides essential insights into the evolutionary branches and how specific body plans influence the behavior and interaction of organisms within their respective environments. Body cavities thus play a crucial role in distinguishing the development of bilaterally symmetrical animals, providing spaces for complex organ systems that support their active and mobile lifestyles.
what are the important elements in the design of a polynesian charts and what does each show
Answer:
a) Stick/palm ribs/ coconut fiber which represented the water and oceanic/sea wave patterns
b) Stone/coral pebbles / shells to represent the land.
Explanation:
Polynesian stick chart is a form of navigational tools used to discover the sparsely distributed island. They predominantly used following elements
a) Stick/palm ribs/ coconut fiber which represented the water and oceanic/sea wave patterns
b) Stone/coral pebbles / shells to represent the land.
The combination of these stick and pebble was used to represent the interaction of ocean waves with the island. However, these navigational charts did not represented an exact weather condition.
The important elements in the design of Polynesian charts include the compass rose, stick charts, and celestial navigation using stars and constellations. These elements helped Polynesians navigate the open ocean and discover new islands.
Explanation:The important elements in the design of Polynesian charts are:
Compass Rose: It shows the direction of different winds and currents.Stick Charts: These charts depict wave patterns and island locations, helping Polynesian navigators find their way.Stars and Constellations: Using celestial navigation, Polynesians used stars and constellations to determine their position at sea.These elements were crucial for Polynesians to navigate the open ocean and discover new islands.
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Reginald punnet sought to apply the insights obtained by mendel to explain the laws of inheritance in structured fashion. What a punnet square and how is it used?
Answer:
A Punnett square is a diagram used to map out the possible genotypes of a child given the genotypes of its parents. In a Punnett square, the genotype of one parent is listed in the first row of the square, and the genotype of the second parent is listed in the first column. Then, in the middle squares, all possible genotypes of their offspring are listed, and the phenotypes are calculated using the law of dominance.
Explanation:
Speech about Environmental pollution
Good morning /afternoon to one and all present here
I am here to talk about environmental pollution.
Pollution - It is defined as the addition of any substance or energy to the environment that is in some harmful form is know as a pollution
It can also be called as environmental pollution.
The environmental pollution include air pollution, water pollution, land pollution, noise pollution, light pollution, and plastic pollution
Air pollution:
It is caused mainly due to the smoke from automobiles and by the unwanted smoke sent out from factories.
They produce carbon monoxide and nitrogen oxides, ozone, lead, that leads to smog formation also causes damage to foliage It causes health issues like, heart disease, inflammation and irritation of breathing passages, breathing difficulties, particularly for people with asthma, reduced lung function,
Water pollution:
The release of substances into subsurface groundwater or into lakes, streams, rivers, estuaries, and oceans. It is caused due to the industrial waste that are disposed directly into the water.
People use the same water for drinking, washing clothes, washing animals and they take bath in the same water.
Land pollution:
This is caused by the artificial pesticides used. They pollute the soil and damage the crops and will infect the vegetables that grow underground.
Noise pollution:
This is caused by the automobiles and the sound produced by the speakers.
PLEASE I need help so badddd
Answer:
Last option
Explanation:
empowering def: make (someone) stronger and more confident, especially in controlling their life and claiming their rights. it definitely can not be the second or third option because fear and uncertainty in oneself is not empowering and neither is amusement and entertainment. The title is teen appeal so it appeals to teens so the authoritarian figures would be less than the teens so the fourth option must be correct.
which event signals the birth of a star?
Answer:
nuclear fusion
Explanation:
When the density and temperature at the core of the gravitationally collapsing nebula reaches values when nuclear fusion is triggered and sustained, that marks the birth of the star.