Answer:
Cells!
Explanation:
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.
Which era is characterized by stromatolites as the most abundant fossil
Answer:
542 million years ago during the Precambrian period
Stromatolites were most abundant during the Precambrian Era. These layered structures were formed by photosynthetic cyanobacteria over 3 billion years ago. Modern-day stromatolites offer insights into early life on Earth.
The era characterized by stromatolites as the most abundant fossil is the Precambrian Era. Stromatolites, which are layered structures formed by the activity of photosynthetic cyanobacteria, have been found in fossil records dating back over 3 billion years. These microbial mats were particularly abundant during the Precambrian Era, spanning from about 4.6 billion years ago to 541 million years ago.
Key Characteristics of Stromatolites:
Formation: Created by sediment trapping by photosynthetic cyanobacteria.Structure: Consist of alternating layers of fossilized cells and calcium carbonate.Process: Cyanobacteria photosynthesize, using dissolved CO₂ to form sugar molecules, leading to calcium carbonate precipitation.Living examples of stromatolites can still be found today, such as in Shark Bay, Western Australia, providing insight into early life on Earth.
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.
Why is earth considered an open system and a closed system?
Answer:
The earth is a closed system because only energy is naturally transferred outside the atmosphere.
Explanation:
All systems inside the Earth, on the other hand, are open systems as both energy and matter can be transferred between the systems and their surroundings.
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.
The expansion of grasses during the Oligocene and Miocene Epochs led to
A. the extinction of mammals.
B. the expansion of tree-dwelling primates.
C. an increase in dinosaur and reptile species on land.
D. the radiation of herbivores such as grazing mammals.
Answer:
The answer is:
D. the radiation of herbivores such as grazing animals
Explanation:
Oligocene and Miocene Epochs:
The Oligocene epoch is characterized by temperate and subtropical climatic conditions which favored the expansion of grasses and reduced forest cover. The Miocene epoch, which succeeded the Oligocene era, is attributed to changes in global circulation due to global warming of the climate followed by global cooling towards the end.The Oligocence and Miocene epoch are both attributed to the expansion of grasslands and savannah. Both eras marked rapid and drastic evolutionary changes in grazing mammals and herbivores. Diverse groups of grazing mammals lived throughout these eras. For example, the largest herbivore and land mammal of all time, Indricotherium (a sort of giant hornless rhinoceros), was present in the Oligocene era.
Similarly, the Oligocene era in North America favored the rapid radiation of primitive horses.
Which value is being measured in the columns labeled fraction remaining and percentage remaining
Question:
Which value is being measured in the columns labeled "Fraction remaining” and "Percentage remaining”?
years of decay quantity of energy number of stable atoms amount of material that has not decayedAnswer:
"Amount of material that has not decayed" being measured in the columns labelled "Fraction remaining” and "Percentage remaining”
Explanation:
The table shown below having explains about the half life , the amount of sample in both fraction and percentage. The first column named half life elapsed tells us the the number of half life that that is completed. Half life is the time taken for an element to reduce or decay into half of its initial amount.
The fraction remaining column gives the amount of sample that is left behind after the half life particular number of half life has completed. similarly the percentage remaining column gives the amount of sample in percentage. For example, the 5th row tells us that after 4 half life is over [tex]\frac{1}{16} th[/tex] of the sample remained. In percentage it is 6.25%
Answer:
D
Explanation:
How do ETS reactions produce ATP?
A. NADH and FADH2 donate electrons which move through the cristae; H+ ions are pumped out of the matrix; as H+ ions are pumped back into the matrix, ATP is produced.
B. H+ ions donate electrons which move through the cristae; NADH and FADH2 are pumped out of the matrix; as NAD+ and FAD are pumped back into the cristae, ATP is produced.
C. NAD+ and FADH donate electrons which move through the cristae; H+ ions are pumped out of the matrix; ATP and water are produced, and oxygen is consumed.
D. H+ ions donate electrons which move through the cristae; NAD+ and FADH are pumped out of the matrix; as water and oxygen are pumped back into the cristae, ATP is produced.
ATP synthesis is done as the electrons move through the 1 2 3 and 4 and hydrogen ion is pushed to the intermembrane space. As the hydrogen ion comes back to the matrix through the ATP synthase enzyme the ATP is produced.
Option C
Explanation:ATP synthesis takes place in the mitochondria. All the hydrogen carriers get saturated through the glycolisis and the Kreb's Cycle. As these carriers comes to the inner membrane of mitochondria, there are four complexes of different electron carriers. [tex]NADH_2[/tex] goes to the complex 1 and [tex]FADH_2[/tex] goes to the complex 2.
Each complex takes the hydrogen ion from the carriers and pushes them to the intra Membranous space of the mitochondria. There the hydrogen ion concentration increases to a severe extent. As this goes on, the hydrogen ions come back to the mitochondrial matrix through a pump which is called ATP synthase which produces one ATP molecule for 3 hydrogen ion transport. Thus ATP is produced.
The oxygen is taken by cytochrome [tex]a_3[/tex] of complex 4 which is then reduced by the electrons of the hydrogen carriers and reacted with the protons to convert it to water.
Answer: It's "C"
Explanation:NAD+ and FADH donate electrons which move through the cristae; H+ ions are pumped out of the matrix; ATP and water are produced, and oxygen is consumed.
1. Which correctly identifies a part of the atom
shown in the figure above? SC.8.P.8.7
A T: electron
B T: nucleus
C U: electron
D U: proton
Answer:
The correct answer is option C.
Explanation:
Atom has three subatomic particles;
Electron : Negatively charged species found inside an atom and outside of the nucleus.
Proton: Positively charged species found inside the nucleus of an atom.
Electron : Neutral charge species found inside the nucleus of an atom
Generally an atom is an electrically neutral species with equal number of electrons and protons.
According to question,The correct labeling of the U is an electron.
The part of the atom that is shown in the diagram is the U as electron that is in option C. Electrons are negatively charged subatomic particles that are present outside of the nucleus. So option C is correct.
Protons are positively charged subatomic particles found within the nucleus of an atom. They have a relative charge of +1 and a relative mass of approximately 1 atomic mass unit (amu). The number of protons in an atom's nucleus determines its atomic number, which is a fundamental property used to identify elements. Neutrons are electrically neutral subatomic particles also located in the nucleus of an atom. They do not carry any charge, so their relative charge is 0. Neutrons have a mass similar to protons, approximately 1 amu. Electrons are negatively charged subatomic particles that orbit the nucleus in specific energy levels, or electron shells.
Hence, electron is correct option . So, option C is correct.
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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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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
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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.
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 diagram shows warm air blowing toward the equator
Answer:
warm air blows toward the equator , and cold air displaces this warm air near the polar regions.
Explanation:
Answer: The Coriolis force bends the air current
Explanation: The full question is The diagram shows warm air blowing toward the equator. Which causes the air current to curve
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.
Which of the following is the best demonstration of the fundamental attribution error?
A.
“Chris earned a good grade on the test because he studied hard for this exam.”
B.
“Chris earned a good grade on the test because he asked the teacher for help.”
C.
“Chris earned a good grade on the test because he is really smart.”
D.
“Chris earned a good grade on the test because he ate a good breakfast on test day.”
Answer:
The answer is C.
Explanation:
Fundamental attribution error is drawing conclusions on the people based only on internal factors ( personality) of one person. These personal characteristics are overemphasized that external (situational) factors aren't even thought about. In this particular case, fundamental attribution error would be claiming that Chris earned good grades only because of his internal characteristics (his intelligence).
Answer:
C. is the correct answer
Explanation:
Hope that this helps. Peace and Love
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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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Which procedure could a student use to examine an intensive property of a rectangular block of wood?
G
EEN
e F
DEFENS
CHE
30
.
Find the mass.
Record the length.
Measure the volume.
Determine the density.
Answer:
the answer is correct
Explanation:
i did the quiz
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.
Gene regulations in eukaryotes
Answer:
Gene regulation in eucaryotic cells represents mechanisms that influence gene expression.
Explanation:
This gene expression is regulated via repressors or activators of transcription.
Gene expression is a process that contains information from a transcript gene and translates it into a functional gene product. End products of gene expression are proteins.
Gene regulation is a process that cells and viruses are using to regulate the transformation of gene information into gene products.
Transcription factors are those proteins that regulate gene transcription. Those factors help the real genes to enter the right cells in the body.
The expression of eukaryotic genes is controlled by transcription. This transcription is controlled by proteins that are connecting to regulatory sequences and change the RNA activity. Gene regulation process is developed by combining different proteins of regulation.
how does distance from the ocean, ocean current, latitude, elevation, and relative location of mountain ranges affect the climate in new york?
Answer:
So many factors influence the climate. Some of them are ocean currents, latitude, distance from the ocean, elevation, etc.
Explanation:
The distance from the ocean influences the climate of the place. If the place is located on the coast, the climate will be colder and humidity will be higher.
Thanks to ocean currents the temperature can be changed. Ocean currents can low the temperature but also make it very high.
Latitude has an influence also regarding the temperature. Elevation, as it gets higher, the air above is falling, so the pressure decreases.
Regarding all the factors above, we can say that New York has hot summers, with high humidity and very cold winters, full of snow. Close to the river, the ground is muddy and going to the mountains, the ground is getting rocky
1. The plant life that is characteristic of a biome depends upon:
A. the type of soil
B. the range of temperatures
C. the amount and pattern of precipitation
D. all of the above
Answer:
D. all of the above
Explanation:
Biome refers to a large and relatively distinct terrestrial region having similar climatic conditions regardless of where it occurs on Earth. The characteristic climatic conditions (temperature and precipitation being the most important ones) and soil type of each biome type determine the type of plant species found there. Therefore, each biome is characterized by specific flora.
For example, a desert biome is a temperate or tropical biome characterized by a lack of precipitation, seasonal variations in temperature and poor soil type with low organic matter that limits plant growth. Desert biomes have only the plant species that can survive these harsh conditions.
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.
What is the Pacific Rim of Fire? Explain how this geographic area is related to what we have studied
make sure you include information related to sea-floor spreading, plate tectonics earthquakes, and volcanoes.
And can you put it a little short thanks!
Explanation:
it's a set of volcanoes along a plate tectonic. they are created by a divergent boundary which creates seafloor spreading
WILL GIVE BRAINLIEST IF CORRECT!!!!! NEEEEEED HELP!!!!!!!!!!!!!!!!!
Using the chart, which of the following point mutations will cause the most harmful effect on an individual?
U
C
A
G
UUU
Phenylalanine
UCU
Serine
UAU
Tyrosine
UGU
Cysteine
U
U
UUC
Phenylalanine
UCC
Serine
UAC
Tyrosine
UGC
Cysteine
C
UUA
Leucine
UCA
Serine
UAA
Stop
UGA
Stop
A
UUG
Leucine
UCG
Serine
UAG
Stop
UGG
Tryptophan
G
CUU
Leucine
CCU
Proline
CAU
Hisitidine
CGU
Arginine
U
C
CUC
Leucine
CCC
Proline
CAC
Hisitidine
CGC
Arginine
C
CUA
Leucine
CCA
Proline
CAA
Glutamine
CGA
Arginine
A
CUG
Leucine
CCG
Proline
CAG
Glutamine
CGG
Arginine
G
AUU
Isoleucine
ACU
Threonine
AAU
Asparagine
AGU
Serine
U
A
AUC
Isoleucine
ACC
Threonine
AAC
Asparagine
AGC
Serine
C
AUA
Isoleucine
ACA
Threonine
AAA
Lysine
AGA
Arginine
A
AUG
Methionine/Start
ACG
Threonine
AAG
Lysine
AGG
Arginine
G
GUU
Valine
GCU
Alanine
GAU
Aspartate
GGU
Glycine
U
G
GUC
Valine
GCC
Alanine
GAC
Aspartate
GGC
Glycine
C
GUA
Valine
GCA
Alanine
GAA
Glutamate
GGA
Glycine
A
GUG
Valine
GCG
Alanine
GAG
Glutamate
GGG
Glycine
G
The sequence reads AUU; a change in the second base from U to C
The sequence reads CGA; a change in the first base from C to A
The sequence reads UGU; a change in the third base from U to A
The sequence reads UUA; a change in the first base from U to C and a change in the third base from A to G
Answer:
The answer is C.(The sequence reads UGU) (non sens mutation are the most harmful)
Answer:
The sequence reads UGU; a change in the third base from U to A
Explanation:
I just took this test and got it right, good luck with all your stuff!!
Caspar plants four bean seeds. He waters the first seed twice a day, the second seed once a day, the third seed every other day and the fourth seed not at all. Which seed can he expect to germinate first?
The seed he waters twice a day
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.
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.
Much of the focus of environmental science is to address the environmental problems that emerged from the ____________________.
Biodiversity Revolution
Industrial Revolution
Ecological Revolution
Agricultural Revolution
Answer:
Much of the focus of environmental science is to address the environmental problems that emerged from the industrial revolution.
Explanation:
The industrial revolution affected the environment, due to rise in population which also accompanied with the standard of living which led to the exploitation of the natural resources. The use of various chemicals, as well as the fuels for running the factories caused the increased air and water pollution. With more use of fossil fuels. The industrial revolution has also other negative effects like, very bad working condition, poor living condition, low wages and child labor.
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.
A student notices that when bananas are kept near other fruits, the other fruits ripen faster. She wonders what causes the other fruits to ripen more quickly and thinks that bananas must have an influence on the ripening process. She decides to perform an experiment. She gathers bananas and apples and places an apple by itself at location A and an apple next to a banana at location B. She then waits for five days and records the how ripe each apple is.
What would be the next step in this experiment?
A.
ask questions and construct a hypothesis
B.
analyze the results and make a conclusion
C.
make observations and draw a conclusion
D.
construct a hypothesis and record data
Answer:
The correct option is B) analyze the results and make a conclusion
Explanation:
The scientific method of research is based on the following steps:
Observations are made: In the following scenario, a student observed that t when bananas are kept near other fruits, the other fruits ripen faster.
Question: Based on the observation, a question is generated. In this scenario, the student had a question that will keeping bananas near any fruit increase the ripening process of the fruit.
Hypothesis: A hypothesis is the formation of a tentative statement.
Experiments: Based on the hypothesis, experiments are done to check for the results.
Analyzing the results and drawing conclusions: Results from the experiments are analyzed and conclusions are drawn which might prove the hypothesis to be correct or wrong.