Question

What is an exotic species? How do exotic species harm bio-diversity?

Answer 1

Exotic species are those species which are introduced from other places to a particular location. They are non native species which do not belong to the country .

Exotic species can harm the bio diversity by:

1 Causing diseases to the existing species.
2 They can act as predators or parasites.
3 They alter the habitat
4 They act as competitors
5 They may hybridise with the local species.