Exam 14: How Biological Diversity Evolves

Some fish have bony fins.If the body of water they are in dries out,these fins can be used to help the fish "walk" to another body of water.In this context,bony fins are an example of ________.

The wing of a penguin is ________ the wing of a butterfly.

Molecular systematics might examine all of the following types of data EXCEPT ________.

A period of mass extinction is often followed by ________.

An ancestral species and all its evolutionary descendants define a(n)________.

Sympatric speciation specifically EXCLUDES ________.