Question

discuss the causes of extinction of wildlife species

Answer 1

because of pollution and deforestation 

Answer 2

the primary cause of it is simply human overpopulation of planet earth. the most important causal anthropogenic activities are habitat destruction, overexploitation, pollution, etc.  the growth of the human population has led to the destruction of many animal habitats. as forests are cut down to make room for new homes and developments, animals are left with nowhere to live. if they cannot find another suitable area to live, many species face extinction.