Why are biologists uncertain about how a species should be defined?
A) Biologists have not incorporated behavior into species' definitions.
B) Biologists do not know how reproductive isolation happens.
C) Biologists are uncertain of how new species arise and how established species are maintained.
D) Biologists have not figured out how to use DNA data to determine species' status.

Question

Quizplus · Accepted Answer

Biologists are uncertain of how new species arise and how established species are maintained. The process of speciation is not always clear and can vary depending on the species and the environment in which they live. This makes it difficult to come up with a universal definition of what constitutes a species.

Why Are Biologists Uncertain About How a Species Should Be