The embryo develops outside the mother and are usually protected inside an egg. Most
eggs contain a yolk that provides food for the
developing embryo and a covering to protect

dunno

Explanation:

The correct answer would a change in a population''s gene pool.

Evolution is natural phenomenon by which heritable characters of a species change over the time.

It is caused by several factors such as genetic recombination, genetic variation, mutation, natural selection, and genetic drift.

It is the process that has given rise to such as biodiversity we observe today.