Respuesta :

Answer:

when populations of a species that share the same habitat become reproductively isolated from each other.

Explanation:

Answer:

Natural selection is one explanation how speciation occurs.

Explanation:

Natural selection is a key mechanism of evolution, in which survival and reproduction differences affects the evolution process.

It's important to say that Natural Selection is related with only phenotype's act, because it's due to environmental changes, adapting to those variables in order to survive.