Ecological isolation occurs when species do not mate because their habitats are different (even though those habitats may be close together).
Ecological Isolation cheat sheet for homework
A form of prezygotic barrier where two species that could interbreed do not because they occupy different habitats.
The process through which new species evolve from a single ancestral species while inhabiting the same geographic region.
Niche Differentiation: The process by which competing species use the environment differently in a way that helps them to coexist.