What are alien species ?

What is alien species ? Name some invasive species in India.

What is meant by alien species?

Which of the following is not a alien species in India?

In which of the following biome the impact of the alien species is minimum on the biodiversity of that biome ?

Invasive alien species

Alien species are a threat to native species, justify taking examples of an animal and a plant alien species.

Alien species are a threat to native species. Justify taking example of an animal and a plant alien species.

Alien species are a threat to native species. Justify taking example of an animal and a plant alien species.