Q. What are the main causes of the loss of biological diversity nowadays?
The largest dangers to the biological diversity today are the action of humans. The major of them is the destruction of habitats caused by the growth of the cities, deforestation, fires and pollution. The second is the invasion of the ecosystems by nonnative species introduced by humans these species change the equilibrium of the ecosystems causing harm and other big dangers are predatory hunting and fishing and global warming.