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Biodiversity and Conservation — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYBiodiversity and Conservation2 Marks
Question
Explain taking one example, the effect of co-extinction on biodiversity.
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Answer

  1. Co-extinction leads to loss of biodiversity because when a species becomes extinct, the plant and animal species associated with it in an obligatory manner, also become extinct.
  2. In case of a co-evolved plant-pollinator mutualists, extinction of one of them invariably leads to the extinction of the other.
  3. If a host fish becomes extinct, the unique parasites depending on it walls also become extinct.

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