Answer:as the blood travel through the tissue , it pick up waste produced by the body cell
Explanation:
Random mutations are the ultimate source<span> of </span>genetic<span> variation. Mutations are likely to be rare and most mutations are neutral or deleterious, but in some instances the new alleles can be favored by natural selection.</span>
No entiendo correctamente.
The community might die off .
hope that this helps bro .
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No sé la respuesta a este??????????