Question

The graph below shows the number of wild mice living in a grassland ecosystem over a period of three years.

population graph

What is the most likely explanation for the change in population that occurred at 1.5 years?
A.
A severe hurricane passed through the area.
B.
A prolonged drought killed much of the grass.
C.
A new predator species moved into the area.
D.
Food sources suddenly became more scarce.

Answer 1

[AI-generated answer — Bot GPT 3.5]

B. A prolonged drought killed much of the grass.