Answer:
Meiosis takes place in germ line cell.
Invovled in reproduction.
Explanation:
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Um I thought it was salt and water? I might be wrong though..
Well, I need the chart first of all, but second, If you have to find out which one is closely related to A, just take the amino acid sequence and compare the sequence to each organism, and which ever one has the most related sequences, is the closely related organism.
This is because of natural selection; since polar bears live in a rough environment, natural selection gives them more fur, more muscle, and can go longer without food