Question

what are the causes of depletion of animals

Answer 1

causes of depletion of animals are:-

Degradation of ecosystem.

Loss of habitat.

Loss of mobility.

Limitation of expansion of vegetation.

International trade. The trade of some items of wild origin such as animals fur, bones, tusks, musk or as orchids, medicinal plants resulted in the decline of wild animals and plants.

Answer 2

a) Alteration of habitat
b) Commercial sport and subsistence, hunting
c) Introduction of foreign species
d) Control of pests and predators
e) Collection for zoos, private collections and research
f) Pollution