Rose thorns are an example of ____________________ defense mechanism.

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

More frequently, resources are not unlimited and the _____________  _____________ is the total number of individuals that the resources can support. _______ _______

Which evidence for evolution uses plants and animals trapped in rock strata?  

Briefly define assortative mating.

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

What is Lamarck’s model of evolution known as? Briefly explain.

Bees moving genetic material between populations by carrying pollen from one flower population to another is an example of ______________  _____________. _______ _______

Radiometric dating is based on the ______ of certain isotopes, like C-14 or K-40.

In the ____________  _______________ part of the population leaves or is separated by a barrier, so that alleles in this new population are dictated by chance alone. _______ _______