What does the competitive exclusion principle say?

_____ break down organic matter, including animal waste.

Embryological evidence for evolution is demonstrated because at some time during development all vertebrates have _____.

__________ is the movement of alleles between populations such as by the migration of breeding individuals.

_________________________ is a method to trace evolutionary history by using shared traits derived from a common ancestor to determine relationships. _______

Briefly define assortative mating.

  The Hardy-Weinberg principle states that the allele frequencies in a gene pool will remain in _____ as long as five conditions are met.

Do polystrate fossils support evolution or not? Explain.

_________  __________  __________ are homologies shared  by only certain species the study group. _______ _______ _______

_____ structures share similarities, like bone structure, and are usually explained as inheritance from a common ancestor.