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                                BIODIVERSITY AND CONSERVATION


·      Biodiversity- The variety and variability among living organisms and ecological complexes in which they occur (or) The totality of genes, species and ecosystem of a region.

·      Biosphere Reserve: A protected area where multiple use of the land is permitted by dividing it into certain zones (or) A special category of protected areas of land or coastal environments, wherein people are an integral component of the system.

·      Botanochemicals: Derivative chemicals synthesized from plant products.

·      Conservation: The national management and care for the biosphere to avoid creation of imbalance resulting in the destruction of habitats and the extinction of species.

·      Cryopreservation: Storage of living materials at ultra low temperature (ie., -1960C in liquid nitrogen.

·      Endemic Species: The species which are confined to a particular country.

·      Extinction: The elimination of a species.

·      Exotic Species (Alien Species): A species introduced in a country from another country.

·      Hot Spots: The richest and the most threatened reservoirs of plant and animal life on earth.

·      Megadiversity Zones: The regions of the earth, which harbour a very large number of species.

·      National Parks: A protected area aimed at the betterment of wildlife, where human activities are not permitted.

·      Red Data Book (Red List): Book list containing a record of threatened species.

·      Sanctuary: A protected area aimed at the conservation of animals only, where certain human activities such as harvesting of timber, collection of minor forest products are permited.

·      Specification: Refers to the evolution of new species.

·      Species Richness: The number of species per unit area.

·      Wildlife: The living organisms in their natural habitats other than the cultivated plants and domesticated animals.

Mr. A. KINGSLIN M.Sc, BEd, Phd,(doing)
Post Graduate Teacher in Botany
St. Mary Goretty Hr. Sec School, Manalikarai 
Kanyakumari district

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