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Biodiversity and Conservation — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYBiodiversity and Conservation2 Marks
Question
List four causes of biodiversity loss.
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Answer

The major causes of species losses in a geographical region are:
  1. Habitat loss and fragmentation.
  2. Over-exploitation of natural resources.
  3. Alien species invasions that can cause decline or extinction of indigenous species.
  4. Co-extinctions, i.e. when a species become extinct, the plant and animal species associated with it in an obligatory way, also become extinct.

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