The species concept that relies most heavily on the criterion that species are evolutionarily independent units that are isolated by gene flow is ________.
A) the morphospecies concept
B) the phylogenetic species concept
C) the biological species concept
D) This criterion is common to all of these concepts.

Question

Quizplus · Accepted Answer

The biological species concept defines species as groups of actually or potentially interbreeding natural populations that are reproductively isolated from other such groups.

The Species Concept That Relies Most Heavily on the Criterion