'Biological diversity or biodiversity is that part of nature which includes the differences in genes among the individuals of s species;the variety and richness of all the plant and animal species at different scales in space-locally,in a region ,in the country and the world;and the types of ecosystems.both terrestrial and aqutic,within a defined area.
'Biological diversity deals with the degree with the degree of nature's variety in the biosphere.This variety can be observed at three levels-the genetic variability within a community ;and the organization of species in an area in to distinctive plant and animal communities .
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