Which species became extinct due to exotic, tilapia fish?

Around 200 types of Cichlid fish species became extinct because of introduction of Nile Perch, an invasive and alien species in

Which species have become extinct in the last 200 to 300 years

When a species becomes extinct, the plant and animal species associated with it in an obligatory way also become extinct. This phenomenon is referred to as (a) fragmentation (b) alien species invasion (c) over-exploitation (d) co-extinction

Which is not extinct

Name any two species that are extinct due to human activities.

What are exotic fishes?

Which one is extinct?

How many species are documented to be extinct in last 500 years by IUCN Red List, 2004?

Assertion : Over-exploitation of a species reduces the size of its population eventually leading to its extinction. Reason : Steller's sea cow is a large, herbivorous, terrestrial mammal which is on the verge of extinction due to over exploitation. (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c) If assertion is true but reason is false. (d) If both assertion and reason are false.

What are exotic species?