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 its prey (P) population, but not vice versa? The arrows between species indicate a negative impact toward the population at the arrowhead.
A) P ← C
B) P → C
C) C ↔ P
D) P ← C → P

Question

Quizplus · Accepted Answer

In the expression "P ← C", the arrow indicates that the carnivore (C) negatively impacts the prey (P), but there is no arrow from P to C, indicating that the prey does not impact the carnivore.

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