Extinction of a host fish leads to extinction of unique parasites of it. This is an example of ________ .

Q.1 (iv) Extinction of a host fish leads to extinction of unique parasites of it. This is an example of ________ .

A. Over exploitation

B. Invasion of alien species

C. Co-extinction

D. Habitat loss

Doubtly Asked 28 Oct 2026 Board exam · June 2026 hsc 12th Save WhatsApp Report

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Answer: C. Co-extinction

Answer: (c) Co-extinction

When a species becomes extinct, the plant or animal species that are obligately associated with it (for example parasites specific to that host) also become extinct. This is co-extinction, one of the major causes of biodiversity loss.

Doubtly AI · 28 Oct 2026 AI-generated · not yet verified Report

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Extinction of a host fish leads to extinction of unique parasites of it. This is an example of ________ .

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