In an aquatic ecosystem,a secondary carnivore is temporarily excluded and then,after a period of time,is returned.Which one of the following is NOT an expected top-down effect after it is returned?
A)Primary carnivores become less abundant.
B)Primary productivity increases.
C)Algae decrease.
D)Herbivores become more abundant.

Question

Quizplus · Accepted Answer

Primary productivity is not directly affected by the presence or absence of a secondary carnivore.

In an Aquatic Ecosystem,a Secondary Carnivore Is Temporarily Excluded and Then,after