Correct matching of invertebrates and its characteristics are as follows:
Sponges are animals which have many cell but no mouth, muscles , heart or brain. They are sessile and can not move from place to place like other animals do, filter feeding animals with an asymmetrical body plan.
Cnidarians are the animals with radial symmetry and stinging cnidocyte cells. These animals consists a special cell cnida which functions in preying catch and defense. example- jellyfish, anemone.
Flatworms are the worm like animal which do not consist a body cavity or coelom. example- fluke and tapeworms.
Roundworms or threadworms are segmented worms that can live in water or land. They consist a body cavity and internal organs. examples- pinworms and hookworms.
Mollusks are the animals which consist mentle, foot and and sometimes a shell. example- octopus, squids.
Echinoderms are the animals which have radial symmetry and an endoskeleton made out of calcareous plate. These animals live only in marine environment.These animals lack circulatory and excretory systems.
Arthopods are the animals with jointed legs and an exoskeleton made out of chitin. example- spiders, shrimps and crabs.
First is those with joined legs.
The second have a foot, and shells.
The third are round-worms are segmented and have cavity.
Fourth have radial symmetry.
Fifth don't consist of body cavity
The sixth are unable to move from places.
The seventh live in water environment.
Explain the above answersThe anthropoids are insects that have an exoskeleton and bilateral symmetry. They have no open circulatory system. The mollusks are snails, clams, and squids. They have bilateral symmetry. The roundworms are heartworms and nematodes. They have a digestive system mouth and anus. The flatworms are tapeworms and most are parasitic are bilateral and are invertebrates.
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Explain the process of energy moving through the atmosphere.
Energy travels between the Earth's surface and the atmosphere in a variety of ways, including radiation, conduction, and convection. Conduction is one of the three main ways in which thermal energy is transferred from place to place.
What is the cause of the movement of energy in the atmosphere?The transfer of thermal energy due to the transfer of matter from one place to another is called convection. Convection occurs in the atmosphere when conduction heats the air near the surface of the earth.
In the atmosphere, greenhouse gas molecules absorb this heat energy and raise the temperature. After this absorption, the gas radiates thermal energy in all directions. Then this thermal energy is radiated into space
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Osmosis is best defined as the movement of A) molecules from an area of high concentration to an area of lower concentration. B) molecules from an area of low concentration to an area of higher concentration. C) water molecules across a membrane from an area of low water to an area of higher concentration. D) water molecules across a membrane from an area of high water concentration to an area of lower concentration. E) water molecules inside a container.
I think its A. molecules from an area of high concentration to an area of lower concentration.
Im not completely sure its correct but go for it
Osmosis is a biological process where water molecules move across a membrane from an area of high water concentration to an area of lower concentration. The correct answer to the question is option D.
Explanation:Osmosis is a biological process that involves the movement of water molecules across a semi-permeable membrane. This movement tends to occur from an area of high water concentration to an area of lower water concentration. It's a type of passive transport process in cells. So, considering the options given, the correct choice would be D) Water molecules across a membrane from an area of high water concentration to an area of lower concentration.
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Critics of sustainable agriculture claim that its farming methods will result in _________________. A) water pollution B) lower crop yields C) greater water usage D) decrease soil fertility .
Critics of sustainable agricilture claim that its farming methods will result in lower crop yields.
B) lower crop yields is your answer
I hope this helps you!!!!
Answer:
B
Explanation:
Usa test prep
Maria is concerned because she has been exposed to a small amount of radiation during an X-day . What is her doctor most likely to tell her !
Her doctor will say not to worry about it since a short amount of x-ray radiation is not dangerous at all.
However, because X-rays deliver such a tiny dosage of radiation, it is thought that they have no immediate negative effects on health.
What are the consequences of x-ray radiation?Ionizing radiation is a type of radiation with sufficient energy to possibly harm DNA. Risks from ionizing radiation exposure include a slight increase in the likelihood that someone exposed to X-rays would acquire cancer in the future.
X-ray radiation can destroy molecular structures and possibly cause injury when it is absorbed by our bodies. Human cells are harmed by extremely high radiation doses, as shown by skin burns, hair loss, and an increase in cancer cases.
Therefore, Her doctor will say not to worry about it, since a short amount of x-ray radiation is not dangerous at all.
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Which takes place inside the chloroplast
Photosynthesis takes place inside the chloroplast.
Photosynthesis is "the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct."
What type of force is gravitational force?
Attractive
Electrical
Magnetic
Repulsive
The correct answer is A) Attractive
Answer:
Attractive
Explanation:
There are economic concerns surrounding the products that have been genetically engineered for particular traits, including pharmaceutical products, crops, and enzymes used in manufacturing processes. What are the proposed economic concerns that affect society? Check all that apply.
A.Prices for genetically engineered products are raised as a result of patents on products.
B. Farmers must spend more money to obtain genetically engineered seeds for desired crops.
C .Consumers must spend more money to purchase genetically engineered products.
D. More land is utilized for genetically engineered crops than for organic crops.
Answer:
Prices for genetically engineered products are raised as a result of patents on products.
Farmers must spend more money to obtain genetically engineered seeds for desired crops.
Consumers must spend more money to purchase genetically engineered products.
More land is utilized for genetically engineered crops than for organic crops.
Explanation:
Economic issues with genetically engineered products include higher prices due to patents, increased costs for farmers to purchase engineered seeds, and higher consumer prices as a result.
Explanation:The economic concerns surrounding genetically engineered products impact various stakeholders from producers to consumers. The potential economic issues include:
A. Prices for genetically engineered products may be raised due to patents, which grant exclusive rights to the patent holder and can restrict competition, leading to higher prices.B. Farmers might have to invest more funds in purchasing genetically engineered seeds, which typically come at a premium price compared to conventional seeds, affecting their overall production costs.C. As a result of higher production costs, consumers might see an increase in prices for genetically engineered products on the market.Concern D does not align with the commonly proposed economic issues related to genetically engineered crops, as there is no clear evidence that more land is used for genetically engineered crops compared to organic crops.
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When light energy excites Elektron in photosystem II
where do the electron's to replace them come from
when light is absorbed by one of the pigments in Photosystem II, energy is transferred thereby exciting an electron to high energy level. This excited electron is passed on to the acceptor molecule and gets replaced with an electron that comes up while splitting of water molecules.
I AM GIVING 40 POINTS AND BRAINLIEST!
1. What is the mass? Density= 6 g/mL. Volume= 42mL
2. What is the Volume? Mass= 4 grams. Density=2 g/mL
3. What is the Density? Mass=12 grams. Volume=4mL
4. What is the Density? Mass=121 grams. Volume= 11mL
5. What is the Volume? Mass= 25 grams. Density= 5 g/mL
6. What is the mass? Density= 10g/mL. Volume= 50mL
Which two structures are not found in animal cells
Cell wall and Chloroplast
Answer:
Cell walls and chloroplasts
Explanation:
Cell walls and chloroplasts are found on plant cells not in animal cell
Which of the following are books of the minor prophets?
Isaiah
Lamentations
Obadiah
Jeremiah
Ezekiel
Zechariah
Micah
Daniel
Hosea
Malachi
hosea,obadiah,micah,,malachi,zechariah. they are part of the 12 minor
1234567891011 Select the statement that is false. Ocean currents move cold water from the equator toward the poles. Ocean currents generally flow clockwise in the Northern Hemisphere. Ocean circulation patterns and the water cycle are physical processes. Ocean circulation patterns are caused by their interaction with the atmosphere, pressure, and the earth's rotation.
The incorrect statement is
"Ocean currents move cold water from the equator toward the poles."
The ocean currents tend to flow in the opposite direction from the poles. :)
-Dap
Where is the pharynx located
The pharynx is from the upper part of the throat, which is immediately behind the nasal cavity. It is behind the mouth, and above the esophagus and larynx, which are the tubes going down to the stomach and lungs.
Hope this helps! <3
clouds are composed of tiny droplets. What happens to the droplets when they are very heavy
Within a set of human chromosomes, 22 pairs are called:
URGENTTTTTTTTTTT
1.sex chromosmes
2.haploids
3.autosomes
The answer is 3. Autosomes.
Hope this helps.
What is the overall reaction for cellular respiration?
The equation for cellular respiration is as follows:
C6H12O6 + 6O2 --> 6CO2+6H2O + energy
This equation pretty much explains everything. When taking in sugar and oxygen, your products are carbon dioxide, water, and energy,
Hope that answered your question.
Which example best illustrates a method to show differences among Earth’s layers? Carson models how the continental crust varies in thickness.
Marisol records atmospheric and oceanic temperatures at several beaches.
Eliza analyzes seismic wave activity from an earthquake using a computer model. Oscar determines the mineral content of rock core samples at different depths in Earth’s crust.
The correct option is Oscar determines the mineral content of rock core samples at different depths in Earth’s crust
Explanation:We know that Earth layers are divided into different distances from its core. They vary from depth to depth inside the earths core. The layers of earth are basically formed by the types of rocks inside it. The very internal shape of earth contains molten rocks and the very outer layer called the crust has hard rocks so we can say that the types of rocks is responsible for the formation of earth's layers.
The Earth is made up of several layers, which are situated at different depths from the core. The method to show differences among Earth's layers is:
Oscar determines the mineral content of rock core samples at different depths in Earth’s layers.
The Earth is made up of several layers, namely, crust, core, and mantle. These layers are situated at different depths and exhibit different properties. The layers are generally distinguished based on the composition of rock materials and their depth from the core. For instance, the crust of the Earth is hard, whereas the internal layers consist of molten rocks. Thus, different types of rocks shape the Earth layers.
Reasons for incorrect answers:
Continental crust is made up of different types of rocks. However, Earth is composed of crust, mantle, and core. The different temperatures shape the properties of rocks at different layers. Although, the Marisol method cannot be used to show differences in Earth's layers. Eliza analyses seismic wave activity using a computer model. The seismic activity of different layers exhibits different properties. The waves do not determine the differences in Earth's layers.Therefore, the Oscar method determining the mineral content of rock core samples at different depths can show differences in the Earth's layers.
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Carbon dioxide (CO2) combines with a five-carbon compoundIn one to three sentences, describe what happens during the reduction stage of the Calvin cycle.
We are well aware that there are two stages of photosynthesis:
Light dependent reactions Light independent reactions/ Calvin cycle/ dark reactions.Calvin cycle or light-independent reactions:
This comprise the process during which carbon dioxide enters into the leaves of plants and passes through series of steps to form sugar or food. This process depends on the supply of ATP, (the ATP that is formed previously during light dependent reactions).
Now there are three stages of Calvin cycle:
1) carbon fixation 2) reduction 3) regenerationDuring the process of carbon fixation CO2 combines with a 5-carbon compound called RuBP or ribulose-1,5-bisphosphate which results in the synthesis of a 6-carbon compound that splits up in to 2 three carbon compounds called phosphoglyceric acid (3-PGA).
Here out focus will be the process of Reduction.
Reduction is the second stage of Calvin cycle during which phosphoglyceric acid (3-PGA) is converted to glyceraldehyde-3-phosphate (G3P) that is a sugar. During the process of reduction, energy in the form of ATP and NADPH are used for the conversion of 3-PGA to G3P. As 3-PGA is reduced to G3P, therefore this process is known as reduction.
After reduction, a series of reactions occur that lead to the synthesis of glucose but since focus of our question was reduction, so you can see more details of the process in attached figure.
Hope it helps!
What happens to enzyme if the temperature varies too far from the enzyme optimum (or best) temperature
If an enzyme is not used at it's optimal temperature, it's function will likely slow down or not work all together.
convection in the upper mantle
magma injection at the spreading boundaries
gravity pulling the plates downward at subduction zones
These are three theorized causes of
A) glacial melting.
Eliminate
B) changing of the climate.
C) high and low ocean tides.
D) movement of the tectonic plates.
Answer:
D) movement of the tectonic plates.
Explanation:
Lets understand first what convection is. It refers to the process through which denser material sinks and less dense material rises. This is because less dense material is more buoyant than denser one.
The earth is composed of water, rocks and air and all these things lower their density when there occurs an increase in their temperature.
So what happens when convection occurs in the upper mantle of earth, it raises the less dense material called magma in uprising direction, because of the extreme heat in the Earth’s core. When molten lava moves upwards it moves in a fashion of convection, but then it cools down and sinks again.
As the earth surface is made up of tectonic plates. Scientists believe that when convection occur in mantle layer, it causes the movement of plates, This movement can be away from, or towards each other. The movement of tectonic plates causes shifts continents, ocean basins, earthquakes and pushes up mountains.
So D is best option.
Hope it helps!
PLS PLS HELP
in addition to resembling one another what other three are required for organisms to be grouped in the same species
A. the only migrate with one another
B. they only fight with one another
C. they only share food with one another
D. they only reproduce with one another
Answer:
D. they only reproduce with one another.
Explanation:
Where does digestion begin? A) in your mouth B) in your stomach C) in your large intestines D) in your small intestines
The answer is A, your saliva has enzymes that helps break down the food later on in the digestion process, and chewing helps break down the food.
Explain how modern classification is different from linnaeus methods, and why scientists changed it
The answer is that the criteria of classification change with the improved understanding of organisms around us. During the time of Aristotle, not much was known about the living organisms. So, he classified them as he observed. Plants were classified into herbs, shrubs and trees; very much like what’s taught to a second grade student. Animals as Enaima and Anaima based on the presence or absence of RBCs. After him, Carolus Linnaeus tried his hand over classification. He came up with the 2 kingdom classification: Plants and Animals. He considered only a set of morphological and physiological criteria to decide the kingdom to which an organism belongs. It includes presence of cell wall, mode of nutrition, contractile vacuole, locomotion and others. Based on these criteria, he included widely differing organisms into a single kingdom, for example, fungi, bacteria, algae, and higher plants were included into plant kingdom just because they have cell wall as a common aspect. Then came, Ernst Haeckel, who came with a third kingdom of Protista to include unicellular organisms. Copeland gave a 4 kingdom classification segregating unicellular organisms into 2 separate kingdoms based on their nuclear structure. R.H. Whittaker came next introducing the most accepted 5 kingdom classification system. You should understand one thing that man’s knowledge of classifying organisms improved with the improving technologies available to him, which he exploited to very effective extent. Carl Woese gave the 6 kingdom classification and 3 domain system based on the 16S rRNA sequence.
Our understanding of organisms around us is improving day by day and the system of classification will also change further in pace with the improvement in technology.
I hope this helps! :D]
~ Kana ^^
Modern classification systems have evolved from Linnaeus' original taxonomy to include genetic and biochemical criteria, introducing new categories and a three-domain system. These revisions allow for a more accurate representation of evolutionary relationships among organisms.
Differences Between Modern and Linnaean Classification Systems
The modern classification system has evolved significantly from the taxonomy first developed by Carl Linnaeus in the 1700s. The Linnaean system grouped organisms based on morphological traits such as the number of legs or shape of leaves. However, with the discovery of many new species and advances in our understanding of evolutionary relationships and genetics, modifications were necessary. Modern classification not only includes physical characteristics but also considers biochemical and genetic similarities and differences, leading to a more detailed and evolutionary-based taxonomy.
Linnaeus' work was foundational to modern biology, introducing the system of binomial nomenclature which gives each species a two-part name signifying the genus and species. Yet, it was limited by the knowledge of his time and therefore did not account for all the complexities discovered since. With the incorporation of molecular biology, new categories such as the subphylum, superfamily, and domain were added to better reflect the relationships among life forms. Furthermore, the modern system includes a three-domain system which classifies life into Bacteria, Archaea, and Eukaryota as opposed to Linnaeus' simpler kingdoms.
The changes to Linnaean taxonomy ultimately allow for a classification system that is adaptable and potentially more accurate, accommodating new scientific discoveries and perspectives on the nature of life.
What must occur before cell division
The process when cell divides is refereed to as mitosis.when a cell has copied all its DNA then the cell normally divides.
Before the mitosis occurs the cell has to replicate its DNA making a copy of each chromosome this phase is referred to as inter-phase while the cell division is referred to as mitosis
SUMMARY
A cell has to replicate its DNA making a copy of each chromosome,called sister chromatids
Before cell division occurs, a cell goes through stages of the cell cycle which are the G1 phase (growth and carrying out functions), the S phase (DNA replication), and the G2 phase (further growth and preparation for division). These stages are crucial to ensure that each resulting cell after division has a complete set of genetic material.
Explanation:Before cell division can occur, a cell must pass through several stages. Collectively, these stages are referred to as the cell cycle. The first stage is the G1 phase, where the cell grows and carries out its functions. Next is the S phase, during which DNA replication occurs. Here, the cell makes a copy of its genetic material in preparation for division. This is followed by the G2 phase, where the cell continues to grow and prepares for division. Lastly, the cell enters the M phase, where cell division, specifically mitosis, actually occurs.
The processes that occur before cell division, particularly DNA replication, are crucial because they ensure that each daughter cell will have a complete set of genetic material after the cell divides.
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What is the general process scientists use to gather information and answer questions
Answer:
Scientists use a general process known as Scientific Inquiry to ask and answer questions about nature.
Explanation:
Scientific inquiry is best defined as a fixed process that follows the steps of question, hypothesis, and investigation, gathering evidence, and communicating results.
This process is the most widely used process by scientists around the world. It involves investing a given subject in a logical way to find evidence that supports the answer.
It is based on measurable evidence to specify the reasoning.
The general process that scientists use to gather information and answer questions is called the scientific method.
The scientific process begins with making observations or noticing something interesting or unusual about the natural world. Observations can be made through direct observation, measurements, or experiments.
Based on the observations made, scientists formulate a specific and testable question, often referred to as a research question or hypothesis. The question should be clear and focused, guiding the subsequent steps of the scientific method.
A hypothesis is a tentative explanation or prediction for the observed phenomenon. It is an educated guess that can be tested through experimentation or further observation. The hypothesis should be specific and falsifiable, meaning it can be proven wrong through evidence.
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_______ are found in BOTH viruses AND in living single-celled organisms, such as protozoans and bacteria.
You could say DNA and RNA but I would use DNA to be more specific
Answer:
DNA and RNA
Explanation:
Nucleic acids (DNA and RNA) are found in both viruses and in living single-celled organisms, such as protozoa and bacteria. They are responsible for heredity and are the basis for building proteins that are essential to the body.
Both are made up of subunits - the nucleotides. Each nucleotide is formed by a 5-carbon sugar (deoxyribose, in DNA and ribose in RNA), a radical of phosphoric acid (phosphate) and a cyclic compound with nitrogen (the nitrogenous base). There are five types of nitrogenous bases: adenine (A), guanine (G), cytosine (C), thymine (T) and uracil (U). These molecules are responsible for the formation of genes.
The __________ the SA:V ratio of the cell, the _________ the materials can reach the center of the cell.
A. higher, slower
B. higher, quicker
C. lower, quicker
the higher the SA:V ratio of the cell the quicker the materials can reach the center of the cell
people suffering from myopia
Yes my ex-girlfriend thankfully died from myopia.
The answer is true.
Given the following phylogenetic tree, which two classes of arthropods are the least related?
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To determine which two classes of arthropods are the least related, one must consult a phylogenetic tree. Without it, we infer from general arthropod taxonomy that classes from distant subphyla, like Hexapoda (insects) and Chelicerata (spiders), would be the least related.
To answer which two classes of arthropods are the least related, it's essential to refer to a phylogenetic tree illustrating the taxonomic relationships among various arthropod groups. In the absence of a specific phylogenetic tree provided for the question, we use general knowledge of arthropod taxonomy to infer relationships. Phylum Arthropoda is divided into subphyla such as Hexapoda (insects and relatives), Myriapoda (millipedes, centipedes, and relatives), Crustacea (crabs, lobsters, crayfish, isopods, barnacles, and some zooplankton), and Chelicerata (horseshoe crabs, arachnids, scorpions, and daddy longlegs).
The two classes of arthropods that would be least related according to this classification are likely to come from distant subphyla, for example, an insect from Hexapoda and a spider from Chelicerata. However, without a specific phylogenetic tree, it is not possible to determine exactly which two classes are the least related, and this answer would only be inferred from the broader taxonomic categories.
How is meiosis related to sexual reproduction?
A. meiosis allow the offspring produced during sexual reproduction to grow and develop
B. meiosis joins together the sex cells during sexual reproduction to produce a new offspring
C. meiosis produce the sex cells that join the form new offsprings during sexual reproduction
D. meiosis produces the body cells that joins to form new offsprings during sexual reproduction
Answer:
Meiosis produces sex cells, egg and sperm join, zygote forms, new organism develops
Explanation:
Meiosis is crucial in sexual reproduction as it produces the sex cells that combine to create new offspring. This process involves two cell divisions leading to four haploid cells (sperm or egg), allowing for genetic recombination and promoting diversity amongst offspring.
Explanation:Meiosis is a fundamental process of sexual reproduction. The correct answer to the question - how is meiosis related to sexual reproduction - is option C: Meiosis produces the sex cells that join to form new offspring during sexual reproduction.
During meiosis, diploid cells (cells with two sets of chromosomes, one from each parent) undergo two successive cell divisions to produce four haploid cells (cells with one set of chromosomes). These haploid cells are the sex cells or gametes - namely sperm in males and eggs in females. Within these gametes, genetic information is recombined, leading to offspring with a mix of traits from both parents. Therefore, through meiosis, genetic diversity is promoted, which is a key aspect of sexual reproduction.
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