Many species like $Steller's$ sea cow and passenger pigeon have been driven to the brink of extinction. Which of the following describes this situation?

  • A
    Over-exploitation by humans
  • B
    Pollution
  • C
    Habitat loss
  • D
    Competition from introduced species

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Similar Questions

Assertion: Tropical rain forests are disappearing fast from developing countries such as India.
Reason: No value is attached to these forests because these are poor in biodiversity.

Which one of the following pairs of organisms are exotic species introduced in India?

Match List-$I$ and List-$II$ and choose the correct option.
List-$I$ List-$II$
$(i)$ Dodo $(p)$ Africa
$(ii)$ Quagga $(q)$ Mauritius
$(iii)$ Thylacine $(r)$ Russia
$(iv)$ Steller's sea cow $(s)$ Australia

If the high-altitude birds become rare or extinct,the plants which may disappear along with them are

The species-area relationship is used by ecologists to

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