In some areas,cattle on an open range may compact fragile soils while grazing.This can damage plant roots,leading to fewer,smaller plants,which may in turn cause cattle to graze more and work harder to obtain food.This is an example of a ______________ .
A)positive feedback loop
B)dynamic equilibrium
C)food web
D)negative feedback loop
E)homeostatic system

Question

Quizplus · Accepted Answer

The given scenario shows a positive feedback loop because the action of cattle grazing leads to damage of plant roots, causing fewer and smaller plants. This makes it harder for the cattle to graze, leading to them working harder to obtain food. This cycle continues and intensifies the problem, causing more damage to the soil and the vegetation.

In Some Areas,cattle on an Open Range May Compact Fragile