According to bottom-up and top-down control models of community organization, which of the following expressions would imply that an increase in the size of a carnivore (C)population would negatively impact on its prey (P)population, but not vice versa?
A) P ← C
B) P → C
C) C ↔ P
D) P ← C → P
E) C ← P →

Question

Quizplus · Accepted Answer

The expression "P ← C" implies that the carnivore (C) population has a direct effect on the prey (P) population, but not the other way around. This matches the scenario where an increase in the size of the carnivore population would negatively impact its prey population, without the prey population impacting the carnivore population in return.

According to Bottom-Up and Top-Down Control Models of Community Organization