CBSE Class 12th Biology Notes for Chapter 15 Biodiversity And Conservation

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 Chapter 15 Biodiversity And Conservation

  • Biodiversity refers to the sum total of diversity that exists at all levels of biological organization.

 

  • The diversity at genetic, species and ecosystem levels are of particular importance and need to be conserved.

 

  • More than 1.5 million species have been recorded in the world.

 

  • Earth’s rich biodiversity is vital for the very survival of mankind.

 

  • Biodiversity conservation may be in situ as well as ex situ. In in situ conservation, the endangered species are protected in their natural habitat. In ex situ conservation the endangered species are protected outside their natural habitats like zoological parks and botanical gardens.

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