Alien species are highly invasive and are a threat to indigenous species. Substantiate this statement with any three examples.

Alien species are highly invasive and are a threat to indigenous species. Substantiate this statement with any three examples.

Biodiversity and Conservation Biology Class 12 CBSE Value Based Questions

Aman
Jul 16, 2020
1 Answers

Answers

Pankaj

Aug 1, 2020

Alien species become invasive, compete with the native species and cause extinction of indigenous species.

Introduction of Nile perch into Lake Victoria lead to extinction of more than 200 species of cichlid fish in that lake.
Carrot grass (Parthenium and Lantana) introduced in our country have become invasive and cause environmental damage. They pose a threat to the native species of plants in our forests.
Introduction of African cat fish Clarius gariepinus for aquaculture posses a threat to indigenous cat fishes in Indian rivers.

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