A herd of zebras has 9 males and 62 females.

During a one-year period, 22 foals that are born

survive and 25 adults die. Six females join the

herd. Three males and 11 females leave the herd.

Has the herd reached its carrying capacity for this

ecosystem? How do you know?

a. The herd has reached its carrying capacity

because the growth rate is negative.

b. The herd has reached its carrying

capacity because the growth rate

is positive.

c. The herd has not reached its carrying capacity

because the growth rate is negative.

d. The herd has not reached its carrying

capacity because the growth rate

is positive.