The graph shows a population of rats in a forest habitat over a 10-year period,
The forest was a controlled environment, and no rats were allowed to enter or
leave the habitat.
Population
250
225
1200
200
175
150
Number of Rate (in thousands)
125
100
100
90
76
75
50
30
545
30
25
110
291
27
0
1
2
3
4
5
6
7
8
9
10
Year
Based on the graph, at which point is the death rate most likely greater than
the birthrate?
