Answer:
metaphase I
Explanation:
In metaphase I, homologous chromosomes line up along the center of the cell in order to be pulled apart.
hope this helps
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A/an ____________________ is a structure in which male gametes develop.
An antheridium is a structure in which male gametes develop
Your friend tells you that sunlight breaks rocks into small pieces. using what you learned from the video, revise this statement, explaining how the process is more complicated than that
The process is more complicated than that because the cycle of expansion and contraction brings about the weathering process.
What is Weathering?This is the process in which rocks are broken down into smaller fragments or particles.
Sunlight heats the rocks and causes expansion which cools down during the night. This cycle of expansion and contraction is what disintegrate the rocks into smaller pieces.
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Which of these best explains why transfer RNA is often considered a "bridge" molecule?
A.
It "connects" the strands of RNA to form a double helix.
B.
It "connects" all of the ribosomal RNA bases together.
C.
It "connects" ribosomes with the correct amino acid.
D.
It "connects" RNA to DNA
Answer: I think it's D.
Hope this helps!
Select all the correct answers. which two examples may be converted into fossil fuel after being buried under pressure for a long period of time? used cans plants animal waste electronic waste chemicals
Fossil fuel is carbon containing material formed by underground remains of dead plants and animals, including human extract and can be burned as fuels.
What is the procedure of changing fossils into fuel?These fuels are found in earth's crust and contains carbon that burns to produce energy. Its examples can include coal, petroleum, oil, etc.
These fuels are created when the buried plants and animals are subjected to intense heat and pressure. It contains carbon and hydrogen, which burns to produce energy.
Thus, here plants and animal waste can be converted into fossils fuels, while electronic waste and used cans cannot.
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Cows can have all black hair, all white hair, or black and white hair.
If you cross a black cow with a black and white cow, what are the possible genotypes?
Answer:
sry I don't understand this question
During which phase of meiosis do the sister chromatids line up across from each other in the center of the cell?.
Answer:
Metaphase
Explanation:
During metaphase, each of the 46 chromosomes line up along the center of the cell at the metaphase plate.
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If you find a rock that has a belemnite fossil in it. how old is the rock? Explain your reasoning
Answer:
See below.
Explanation:
Belemnites is a genus of an extinct group of cephalopodsThese cephalopods existed in the Early Jurassic period from the Hettangian age (196.5–199.6 million years ago) to the Toarcian age (175.6–183.0 million years ago). Therefore, the discovered rock could be anywhere from 175.6 - 196.5 million years oldN the brain,
carry information from the sensory neurons
Sensory neurons receive information via their receptors, which are part of the peripheral nervous system, and convert this information into electrical impulses. These impulses act as signals and are passed on to the central nervous system. The spinal cord and brain then receive and respond to this information.
i don't really know what you want cause your question doesn't make sense to me
Which species is most likely to exhibit clumped dispersion? a. dandelions with seeds dispersed by the wind b. tigers that defend their territories from one another c. a bird that nests in many different types of trees d. a tree that grows only on the banks of streams
The species that is most likely to exhibit clumped dispersion is a tree that grows only on the banks of streams. So, the correct option is D.
What do you mean by Species?A biological species may be defined as a group of organisms that can reproduce with one another in nature and produce fertile offspring.
Clumped dispersion is a type of population dispersion of a particular species. It represents the mechanism of spacing between the individual of a species. It is a common type of population dispersion that takes place through attraction.
Therefore, the species that is most likely to exhibit clumped dispersion is a tree that grows only on the banks of streams.
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Answer:
Answer is D
Explanation:
got it right edmentum
2. Why are the authors looking at differences in functional groups and species richness for plant biomass accumulation?
They want to understand they both affect diversity and how they interact with other global chance factors.
What is Diversity?This is defined as a measure of the range and distribution of certain features within a given population.
Differences in functional groups and species richness for plant biomass accumulation was looked into to establish how they affect diversity and interaction with other global chance factors.
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A functional group is physiological, morphological, and ecological species identity. Species richness is the number of species in a community. The functional group is a set of species that share similar characteristics within a community.
What is plant biomass?Plant biomass refers to the weight of living plant material above and below a unit of ground surface area at a given point in that time.
Biomass is a plant based material that is used as fuel to produce heat.
The relationship between biomass and species richness in temperate vegetation is given in detail by hump-back response model.
Thus, number of species in a community is called species richness and the functional group is a set of species that share similar characteristics within a community.
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#SPJ3
a --------- ----------- factor impacts large populations and are often caused by overpopulation for example completion for food water shelter
Answer:
One of the answers could be emigration.
How could Flor explain why all three species share some body structures and have some differences? Why do only house geckos and Pacific gulls have two temporal holes in their skulls?
The similarities in the structure of the three species is due to their sharing a common ancestor while the differences is due to adaptation.
What is divergent evolution?Divergent evolution is evolution where individuals who shared a common ancient ancestor process to have differing structures due to differences in their habitats.
All three species that Flor observed having similar structures is because they had a common ancestor.
The species had differences because they evolved to adapt to their different environments.
Wall geckos and Pacific gulls have temporal holes in their skulls as adaptations to their habitat.
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The carbon cycle refers to:
A. the mechanism by which carbon dioxide causes global warming.
B. the frequency of light energy that affects the rotational energy of carbon dioxide.
C. the oxidation of glucose to form carbon dioxide and water.
D. the movement of carbon through living organisms, the atmosphere, the sea, and the earth.
Answer:
the movement of carbon through living organisms, the atmosphere, the sea, and the earth.
Explanation:
The carbon cycle is nature's way of reusing carbon atoms which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over & over again.
Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, the atmosphere, and in living organisms.
give 5 causes of diseases or infectious diseases
Select one method of reproduction, s3xual or as3xual, and explain one advantage and one disadvantage of this method of reproduction.
Answer:
s3xual
Explanation:
When s3xually reproducing the offspring end up having traits from both their parents, thus creating biodiversity.
Biodiversity: biodiversity is when organisms in a species are slightly different from one another.
how can you demonstrate that plants prepare their own food in their leaves right with an experiment
Answer:
the process through which plants prepare there food is called photosynthesis, they absorb carbohydrates and release oxygen during the night.
the root of sweet potato is modified in the form of tuber why
Answer:
to store food and water so it can survive.
Explanation:
it's to store food for itself.
What can influence the population growth of organisms?
Answer:
Population growth rate is affected by birth rates, death rates, immigration, and emigration. If a population is given unlimited amounts of food, moisture, and oxygen, and other environmental factors, it will show exponential growth.
Explanation:
:)
The ______ carries urine from the kidney to the bladder, and the ______ carries urine from the bladder to the outside of the body.
The Ureter Carries urine from the kidney to the bladder, and the Urethra carries the urine to the outside
The urinary systemThe ureter carries urine from the kidney as a waste product obtained from the consumption of food and liquid substance to the bladder, which acts as a temporary storage of urine. When the bladder storage is saturated the urine is released to the outside of the body through the urethra.
Hence we can conclude that The Ureter Carries urine from the kidney to the bladder, and the Urethra takes the urine outside the body.
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The passage of blood from the atria to the ventricles is regulated by which valves?.
Answer:
I believe it is the tricuspid valve
Explanation:
Answer:
Tricuspid Valve
Explanation:
The tricuspid valve regulates blood flow between the right atrium and right ventricle. The pulmonary valve controls blood flow from the right ventricle into the pulmonary arteries, which carry blood to your lungs to pick up oxygen.
The diagram shows the general structure of a lipid, which consists of two main parts. A carbon atom is double-bonded to an oxygen atom and single bonded to a hydroxyl group. Which part is circled? alcohol group fatty acid carboxyl group unsaturated lipid
Answer:
The circle part of the structure is the CARBOXYL PART.Generally, lipids are naturally occurring molecules and they serve as sources of high energy value in
Explanation:
The circle part of the structure is the CARBOXYL PART.Generally, lipids are naturally occurring molecules and they serve as sources of high energy value in
Answer:
carboxyl group
Pls answer!!
a) Based on this information and the food chain below, what are the implications of
not taking immediate steps to reduce CO2 emissions in the atmosphere? (2 points)
algae → snails — crabs — salmon → man
b) Because killer whales are at the top of many food chains, it may seem as if they
are not at risk of starving if seals die off. Why is this not necessarily true? (2 points)
Answer:
a) Higher carbon dioxide levels means a rapid growth of Algae, especially toxic blue-green algae that can float to the surface of the water. This growing amount of Algae will expand across the ocean and clutter it. Harmful algal blooms can be harmful to aquatic life, as some produce toxins that can make animals sick, while others can die off in large quantities and deplete oxygen in the water when they decompose. Snails, specifically aqaurium snails, crabs, and salmon do feed on Algae, which could control it to a degree. However, as the ocean becomes more acidic, it could dissolve the shells of crabs and snails, which will cause them to cook in the sun, and therefore die out. As for salmon, studies showed that high CO2 concentrations disturb fish acid-balance, induce stress response, increase nephrocalcinosis incidence, energy metabolism, and feed conversion ratio, and reduces body condition factor, feed intake, and growth. Fish in this condition are very vunerable to dying despite food being all around them. Additionally, fish in those conditions are not suitable for consumption, which means less food for mankind.
b) This is not true. Although they eat sharks, whales, and dolphins, that is just occasional. Seals are their primary meal. As the killer whale is a consumer, it cannot provide food/energy for itself, therefore relying on organisms below it on the food chain. The killer whale predominately consumes seals, being it’s only large predator, killer whales are crucial to the stabilisation of seal population.
Explanation:
hope this helps!
What direction is the movement of the energy in a food chain?
A. consumer to producer
B. producer to consumer
C. decomposer to producer
D. decomposer to consumer
Answer:
b
Explanation:
B. producer to consumer
Which statement best explains why cell differentiation is essential to the structure and function of multicellular organisms?
It makes the cells grow larger as the body grows.
It creates the specialized cells needed to form tissues and organs.
It fixes mutations in DNA that were created during replication.
It produces the proteins needed for chemical reactions to keep the body moving.
Answer:
The answer is D! It produces the proteins needed for chemical reactions to keep the body moving.
have a blessed day :)
Explanation: i just took the k12 test :D
Answer:
C) It creates the specialized cells needed to form tissues and organs.
1. could chromosome 2 be homologous with chromosome 1? Explain why.
2. could chromosome 3 be homologous with chromosome 1? Explain why.
3. could chromosome 4 be homologous with chromosome 1? Explain why.
4. could chromosome 5 be homologous with chromosome 1? Explain why.
Chromosome 1, 2 and 5 are homologous chromosomes whereas Chromosome 3 and 4 are different.
Which Chromosome is homologous to each other?Chromosome 2 is homologous with chromosome 1 because of the presence of similar gene on both sides. Chromosome 3 is not homologous with chromosome 1 because both chromosomes have one different gene.
Chromosome 4 is not homologous with chromosome 1 due to difference in the whole shape of both chromosomes from one another. Chromosome 5 is homologous with chromosome 1 due to the presence of same size and genes.
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How can you determine the cell cycle stage of a plant cell?.
Answer:
based on measurement of cellular DNA content.
Explanation:
What happens when carbon dioxide from the atmosphere dissolves in seawater.
Answer:
When carbon dioxide dissolves in seawater, most of it becomes bicarbonate ions and hydrogen ions. This increase in hydrogen ions is what decreases the pH. In addition, some of the hydrogen combines with carbonate to form more bicarbonate, decreasing the concentration of carbonate in seawater.
When carbon dioxide dissolves in seawater, most of it becomes bicarbonate ions and hydrogen ions. This increase in hydrogen ions is what decreases the pH.
When carbon dioxide dissolves from the air into the ocean?The ocean takes up carbon dioxide through photosynthesis by plant-like organisms carbon dioxide dissolves in water. It reacts with seawater, creating carbonic acid.
Thus, it becomes bicarbonate ions and hydrogen ions. This increase in hydrogen ions is what decreases the pH.
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10. In the process of photosynthesis, the ____
a. Calvin cycle yields CO2.
c. Calvin cycle breaks down H,O.
b. light-dependent reactions release oxygen.
d. light-dependent reactions produce NADP+.
this one aswell haha i dont know any of these
Which female golfer was the first to play against men in a pga tour event?.
Answer:
Babe Didrikson Zaharias
Explanation:
Babe Didrikson Zaharias was the first woman to play in a PGA Tour event. While there is no rule against women playing in PGA Tour events, only a few have attempted the feat and, as of 2012, no female golfer has succeeded in finishing a men's tour event.