Which Provides the Most General and Correct Description of the Idea

Multiple Choice

Which provides the most general and correct description of the idea of a reproductive barrier?

A) a geographic barrier that separates two species and prevents gene flow between them
B) a difference in behavior that keeps two species from interbreeding
C) a biological difference between two species that prevents them from successfully interbreeding
D) any feature (of geography,behavior,or morphology) that keeps one species from mating with another