Question

Q. Which of the following is an example of Co-extinction?

• A. The Nile perch introduced into Lake Victoria in east Africa led eventually to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish in the lake.
• B. In plant-pollinator mutualism where extinction of one invariably leads to the extinction of the other.
• C. When a host fish species becomes extinct, its unique assemblage of parasites also gets extinct.
• D. Both b and c

Answer 1

The correct option is C When a host fish species becomes extinct, its unique assemblage of parasites also gets extinct.

Explanation:

Option a is an example of alien species invasions, while options b and c are an example of Co-extinction.