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tester [92]
3 years ago
8

What advantage does giving birth in the harshest part of winter give to the grey seal pups?

Biology
1 answer:
AveGali [126]3 years ago
5 0
Grey seals breed in habitats where disturbance is kept to a minimal, like rocky shores, ice flows and islands. They feed on cold open waters. When pups are given birth in early winter or late autumn, their skins are white with yellowish tint. They are relatively helpless and rely on their mother's milk for the first few weeks after birth. They deposit a thick layer of blubber that will protect and allow them to adapt to the cold to sustain them when they will hunt for themselves. Hope this helps...
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Do you think these fish are an example of natural selection among two populations of the same species? Explain your answer.​
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Answer:

It depends on the fish (I do not see any pictures) Any fish is an example of natural selection.

Explanation:

A good example would be that polar bears grew and evolved to have white fur to blend in the snow to sneak upon prey. However, their brown bear counterparts failed to do that. So due to better camouflage and hunting technique, the polar bears survived more up north.

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3 years ago
Cells have differences and similarities. How is a human sperm cell different from most other cells (i.e. simple squamous cell, a
galben [10]

Answer + Explanation :

1) Sperms have only one set of chromosomes i-e they are haploid while other cells are diploid.

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3)Sperm cells are produced through meiosis while other cells are produced from mitosis.

4) Sperm cells are involved in reproduction while other cells have their specific functions in their specific locations.

5) Sperm cells are present is reproductive part or body while other cells are located everywhere.

6) Sperm cells originate from germ cells while other cells originate from stem cells.

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7 0
3 years ago
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After the G2 phase the DNA amount increases and get ready for the division here sister chromatid are seen not chromosome.

In metaphase the chromosome align at the equatorial plate and readied to separate the sister chromatids easily. Each chromatid contains 1 DNA molecule, in this phase two sister chromatids are there so 2 molecules of DNA are present.

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5 0
3 years ago
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