Differences in temperature and other environmental conditions can cause individuals of certain snail species to look different despite a lack of genetic divergence.This observation illustrates a limitation of using a strict _______ species concept.
A) lineage
B) morphological
C) cryptic
D) biological
E) None of the above;it does not represent a challenge.

Question

Quizplus · Accepted Answer

The morphological species concept relies on physical characteristics to define species. Environmental conditions causing phenotypic variation without genetic divergence challenge this concept.

Differences in Temperature and Other Environmental Conditions Can Cause Individuals