Living in the Environment 18th Edition by Tyler Miller,Scott Spoolman

Exercise 13

The graph below shows changes in the size of an emperor penguin population in terms of numbers of breeding pairs on the island of Terre Adelie in the Antarctic. Use the graph to answer the questions below.

Assuming that the penguin population fluctuates around the carrying capacity, what was the approximate carrying capacity of the island for the penguin population from 1960 to 1975 What was the approximate carrying capacity of the island for the penguin population from 1980 to 2010