Answer:
d. The population will increase because more monkeys are being born each year than are dying.
Explanation:
The population of mantled howier monkeys will increase because more monkeys are being born each year than are dying. The birth rate is 0.22 whereas the death rate is 0.12 which leads to increase in the population of mantled howier monkeys. So due to higher birth rate of mantled howier monkeys than death rate, increase occur in the population of mantled howier monkeys if the resources such as food, water and space is present in large amount.