Question

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.

Answer 1

The correct option is D co-extinction.

Extinction of one species automatically causes extinction of the other species in certain obligatory mutualistic relationship, or it could be a specific predator - prey relationship - phenomenon termed as co-extinction.

So, the correct answer is 'co-extinction.'