Geography

Amelia Hobbs

17 February, 16:38

Calculate the change in the number of breeding pairs of Adelle penguins by filling in the blanks below.

A. Total number of breeding pairs, 1975: 16,000

B. Number of breeding pairs in your colony, present:

C. Number of breeding pairs in other colonies, present: 4,960

D. Total number of breeding pairs, present:

(Add the answers to B and C.)

E. Total change in the number of breeding pairs:

(Subtract the answer to A from the answer to D.)

F. Percent change in the number of breeding pairs:

(Divide the answer to E by the answer to A. Multiply

the result by 100 to turn the decimal into a percent.)