Two species are said to be closely related if they
A) possess a common ancestor.
B) can interbreed but not produce fertile offspring.
C) are reproductively isolated from each other.
D) have a shared gene pool.
E) can interbreed and produce fertile offspring. Two species are closely related if they possess a common ancestor. The ability to interbreed, whether or not fertile offspring are obtained, does not necessarily indicate that the two species are closely related.

Question

Quizplus · Accepted Answer

Two species are closely related if they possess a common ancestor. This means that they share a lineage and have diverged from a common ancestor over time. The other choices do not necessarily indicate close relatedness - interbreeding ability does not always indicate relatedness, and reproductive isolation and shared gene pool can occur for species that are distantly related.

Two Species Are Said to Be Closely Related If They