Key terms cont.

* reproductive isolation- the separation of a species or population so that members can no longer interbreed.

* geographic isolation- a form of reproductive isolation in which two populations are separated by geographic barriers such as rivers, mountains,or bodies of water.

* behavioral isolation- a form of reproductive isolation in which two populations develop differences in courtship rituals or other behaviors that prevent them from breeding.

* Temporal isolation- a form of reproductive isolation in which two or more species reproduce at different times.

* speciation- a formation of a new species .