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More than 20% of mammals found in Tripura are endangered because of

  • A.loss and fragmentation of habitat
  • B.invasion by exotic
  • C.over exploitation of resources
  • D.All of the above

Answer: D

The answer is All of the above.

Each of the three listed causes is one of the main recognised threats to wild mammals, and in Tripura they act together:

  • Loss and fragmentation of habitat: forest is cleared for settlement, plantations such as rubber, roads and shifting cultivation, breaking ranges into small patches.
  • Invasion by exotic species: introduced plants and animals crowd out native vegetation and compete with native fauna.
  • Over-exploitation of resources: hunting and the overuse of forest produce reduce populations directly.

Since all three contribute, picking only one of them is incomplete.

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