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:
<3
Answer:
option B is correct
Explanation:
the effect of external physical factor on cell division is clearly seen on in density dependent inhibition( a phenomenon in which crowded cell stop dividing)
I think that this would be carbohydrates, I'm not completely sure though.
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“No man is an island.”This saying is also true for organisms in an ecosystem. No organism exists in isolation. Individual organisms live together in an ecosystem and depend on one another. In fact, they have many different types of interactions with each other, and many of these interactions are critical for their survival.
Answer:
A. the population must be very large
