Answer:
Reinforcement is the process by which natural selection increases reproductive isolation. Reinforcement can occur as follows: When two populations which have been kept apart, come back into contact, the reproductive isolation between them might be complete or incomplete. If it is complete, speciation has occurred.
Explanation:
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Molecules produced in the nucleus are transported to the cytoplasm via ribosomes.
A
it's the most grammatically correct and understandable
Answer:
C
Explanation:
25% of 16 cells is 4
If you multiply .25 by 16 you will get four and that is how many cells are dividing.