Even trained biologists have difficulty telling females of Drosophila melanogaster and D.sechellia apart,and yet these species are reproductively isolated.Thus,these species are considered _______ species.
A) lineage
B) morphological
C) cryptic
D) Mayr's
E) Linnaean

Question

Quizplus · Accepted Answer

Cryptic species are those that are morphologically similar or identical, but are reproductively isolated. These species can only be distinguished through genetic or behavioral differences.

Even Trained Biologists Have Difficulty Telling Females of Drosophila Melanogaster