Explain why the populations of great apes in africa are declining.

Population of great apes in Africa are declining over the last 20 years    as a result of deforestation. The land area that is covered by the forest are now being used for the agricultural processes and for the settlement of human beings.

Every year a large area of the the great apes population is destroyed because of these human activities. Deforestation is the main reason for the reduction in the number of great apes.

b is the best answer for this question.

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands