11. The graph below shows the changes in a rabbit
population over several years.
O
A. All of the other answer choices
Changes in a Rabbit Population
O B. The average annual temperature in the forest was a
record high.
O
C. Many of the trees in the forest were cut down.
Number of Rabbits
(thousandu)
D. There was an abundant amount of grass and plants
in the forest.
0
1
2
3
4 5 6
Year of Study
7
8
9
10
Which of the following factors could have caused
the changes observed during the first four years of
the study?