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Tpy6a [65]
3 years ago
15

During the initial development stages of cleavage, what are the individual cells called?

Biology
1 answer:
larisa [96]3 years ago
6 0

Answer:

The correct answer is option 3, that is, blastomeres.

Explanation:

A kind of cell formed by cleavage of the zygote post-fertilization is called a blastomere, it is an important constituent of blastula formation. The formation of blastomere starts instantaneously post-fertilization and is carried through the initial week of the development of embryo. The division of zygote after fertilization is regarded as the first mitotic outcome of the fertilized oocyte. These mitotic divisions take place spontaneously and lead to a grouping of cells known as blastomeres.

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Which best describes the age structure of a population with zero population growth?
serious [3.7K]

Answer:

The correct option is D) The age-structure diagram would be column-shaped with all age classes approximately equal.

Explanation:

A zero population growth refers to a condition when the birth rate equals to the death rate. Social workers tends to find methods to attain zero population growth as such conditions provide economic stability. As the birth rate and the death rate will be equal hence the age structure diagram of such a population can be seen to be column shaped as they all will be equal.

5 0
3 years ago
Animals with a three-chambered heart would include:_______
Setler79 [48]

Animals with a three-chambered heart would include Amphibians.

  • Amphibians have three-chambered which comprises of two Atria and one ventricle. Examples of Amphibians include Frog, Toads, Salamanders.
  • In Amphibians heart blood from the single ventricle travels to the lungs, skin, and body, where it is oxygenated. Before being pumped out of the heart, deoxygenated and oxygenated blood are mixed in the ventricle.
  • This is because the Amphibians have low rate of metabolism and thus requires less oxygen for their metabolism.
  • As a result heart's load to deliver oxygenated blood to body is lowered.

Thus, from the above pointers we can conclude that only Amphibians from the option have three-chambered heart.

Learn more about Amphibians:

brainly.com/question/27961653

#SPJ4

4 0
1 year ago
2. If you needed a quick source of energy, which molecule would you want to use?
kodGreya [7K]

c proteins .. most used cuz it provides energy and builds muscle

7 0
2 years ago
Read 2 more answers
When a species of fly has a bold coloration very similar to that of an unpalatable?
skelet666 [1.2K]
Mullerian mimicry. Unpalatable means not tasty. If an animal (fly) is copying a toxic or unpalatable animal, it must be for survival. If predators know that one animal is unpalatable, the predator would not eat a fly that looks similar to that unpalatable animal.
5 0
3 years ago
Jean Baptiste Lamarck thought that if animals, like a giraffe, stretched or strained their body parts (necks) then their offspri
hoa [83]
D is what he probably thought but it all depends on genetics so if they did stretch out the kid would still have a short neck to it would be A
7 0
3 years ago
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