Respuesta :

brooke780

Answer:

populations

Explanation:

this is because individual species are not changing. Populations are evolving. Since people in a group differ, those of the population are more able to live and replicate owing to a specific range of environmental conditions.

hope this helped!

archana21121986

Explanation:

the process of evolution occurs only in population and not in individuals . all single individual can not evolve alone evolution is the process of changing the gene frequencies with in a gene pool .