Question

The table shows data collected from a study of a river ecosystem located in the northwestern united states. the data was collected at 10-year intervals from 1955-2015

which statement best predicts the fate of this river ecosystem over the next 50 years?

a) the algae population will be outcompeted by the perch population for resources, leading to the destruction of the river ecosystem.
b) the bass population will begin to decrease as the perch population becomes extinct.
c) the hawk population will be outcompeted by the black bear population for resources, leading to the extinction of the hawk population.
d) the perch population will continue to decrease as the hawk population stabilizes.

Answer 1

Answer: I'm going with B

Explanation: I say B, because on the chart is shows the perch going to the bass and if the perch dies off, the bass will also die off, because of either black bears or from the hawks.