Question

Alien species invasion has been a threat to biodiversity,. Justify with the help of a suitable example. List any other three causes responsible for such a loss​

Answer 1

Answer:

Allen species are non -native species which when introduced, in a new area. They become invasive and compete with the native species and cause extinction of indigenous species. For example, Native to the Caspian and Black Seas, Zebra mussels (Dreissena polymorpha) affect fisheries, mollusc diversity, and electric power generation in the Great Lakes in North America and Mississippi basin.

Partheniun, Lantana and Eichhornia are the exotic species of plants that have invaded India and caused environmental damage.They pose threats to the survival of many of our native species.

Answer 2

Answer:

hsbdngmfmfmfmfkfkckckckcc