Question

population becomes the norm for that population. the founder effect is especially illustrated on islands such as this one: what is the founder effect? when all the members of a large population move to a new habitat the development of a new population when members of an existing population move and become isolated when a population becomes extinct

Explanation:

The founder effect occurs when a small group of individuals from a larger population migrates and becomes isolated, starting a new population with a different genetic makeup from the original one.

Answer:

the development of a new population when members of an existing population move and become isolated