Question

With the help of any one example explain Alien species invasion as one of the causes of Biodiversity losses.

Answer 1

When a new species gets introduced into any ecosystem accidentally or intentionally, there are chances that it proves harmful for existing species. Sometimes, it can lead to extinction of local species.

In such a case, it is called as invasive species. One of the major reasons of such a harmful effect of alien species is lack of local predator.

1. Introduction of predator fish - Nile perch in Lake Victoria proved deleterious for 200 local species of Cichlid fish.