Question

Which phenomenon explains that ‘When a species becomes extinct, the plant and animal species also become extinct that are obligatorily associated with the host species’?

(a) Aquaculture

(b) Fragmentation

(c) Invasion

(d) Co-extinction

I have been asked this question in exam.

I need to ask this question from Causes of Biodiversity Losses topic in section Biodiversity and Conservation of Biology – Class 12

Answer 1

Right option is (d) Co-extinction

Easy explanation: Co-extinction is the phenomenon that tells, when a species becomes extinct, the plant and animal species also become extinct that are obligatorily associated with the host species. If a host is extinct the parasite associated with it is also extinct.