A stream runs through a mountain forest. Willow trees grow on each side of the stream. A small deer
population feeds on the willows. Mountain trout rely on the willow shade for shelter.
forest is the mountain lion. The mountain lions primarily
The apex predator in the
other prey species.
eat deer, but also eat rodents, and fish, as well as
Analyze the components of the ecosystem. What is the most likely outcome if the mountain lion population
vanishes?
The trout population will decrease.
The deer population will decrease.
The stream will become polluted.
A new predator species will begin eating deer.