Use the Following Figure to Answer the Question

Multiple Choice

Use the following figure to answer the question. Five new individuals were added to a small population of bighorn sheep in 1986, and ten more were added between 1990 and 1994. Based upon evidence in the figure, which of the following changes in this population can be attributed to the additions?

A) the population increased exponentially
B) the population increased in overall numbers
C) the population growth rate increased
D) the population growth rate continued to decline