We call an area where two closely related species continue to interact and reproduce…

The primary influencing factor on changes in speciation rate is…

To aid in the tremendous task of describing phylogenies accurately, scientists often use the concept of maximum ________________________, which means that events occurred in the simplest, most obvious way.

What is the best example of a vestigial structure?

 Match the term with where it belongs in the tree. 

The _______________________ the heritability of a population’s phenotypic variation, the more susceptible it is to the evolutionary forces that act on heritable variation.

The peppered moth is a great example of what kind of selection?

The taxonomic classification system that scientists use today was created by…

Fossils provide evidence for evolution by showing that organisms 

When similar characteristics occur because of environmental constraints and not due to a close evolutionary relationship, it is an…