ch 19

Question 1

coevolution

Answer 1

strictly, the joint evolution of two (or more) ecologically interacting species, each of which evolves in response to selection imposed by the other. sometimes used loosely to refer to evolution of one species caused by its interaction with another, or simply to a history of joint divergence of ecologically associated species

Question 2

competitive exclusion principle

Answer 2

theoretical assertion that one of two ecologically identical species will eventually replace the other

Question 3

ecological character displacement

Answer 3

evolutionary process of accentuation of differences between sympatric populations of two species as a result of the reproductive or ecological interactions between them

Question 4

ecological release

Answer 4

expansion of a population’s niche where competition with other species is alleviated