Geography

Oren

5 August, 16:53

A certain population of beavers builds dams across a stream to catch fish. Some years the stream carries more water than other years. The data below was collected by scientists studying the stream over four years.

Year Stream Depth (meters) Number of Beaver Dams Number of Beavers

1 1.20 6 17

2 0.92 4 12

3 1.45 7 21

4 0.78 2 9

If the depth of the stream next year is 1.60 meters, which of the following statements is the most likely prediction?

A.

The size of the beaver population will decline.

B.

The average size of a beaver dam will decrease.

C.

The average size of a beaver dam will increase.

D.

The size of the beaver population will grow.