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Showing posts from November, 2019

Biodiversity

Biodiversity on earth and India:- Total species present on earth = 20-50 million Global species diversity on earth = 7 million (Robert May) According to Robert May = 22% of 7 million  species are discovered  discover Plant & Animal species  = more than 1.5 million Indian global diversity = 8.1 [   cover 2.4% Land  ] In India : -  1)  45,000 Plant & 90,000 animal species discovered. 2) lakh Plant & 3 lakh Animal species yet to be discovered  Mega diversity country in world = 12 Biodiversity on earth  1). Animal                        2). Plants 1)Animals (>70%) :-  A). Invertebrates & B).vertebrates  A). Invertebrates  1). Insect (>70%) Max  2). Beetles (3 LAKH )   species 3). Ants (20,000) species  4). Other animal groups  5). Mollusks 6). Crustacean ...