One species of fish feeds in the muddy bottom of a lake. A second species eats insects that land on the water surface. This is an example of
A) behavioral isolation.
B) mechanical incompatibility.
C) ecological isolation.
D) temporal isolation.
E) geographic isolation.

Question

Quizplus · Accepted Answer

This is an example of ecological isolation because the two species of fish occupy different niches within the same environment, one feeding at the muddy bottom and the other feeding on the water surface, reducing direct competition for food.

One Species of Fish Feeds in the Muddy Bottom of a Lake