Question

What does the biological species concept use as the primary criterion for determining species boundaries?

Answer 1

Explanation:

The Biological Species Concept defines a species taxon as a group of organisms that can successfully interbreed and produce fertile offspring. According to that concept, a species' integrity is maintained by interbreeding within a species as well as by reproductive barriers between organisms in different species.

Answer 2

Answer:

What does the biological species concept use as the primary criterion for determining species boundaries? Remember: The biological species concept defines a species as members of populations that actually or potentially interbreed in nature, not according to similarity of appearance.