Biodiversity is the form of biological scheme ranging from cellular macromolecules to biomes. Edward Wilson popularized the term ‘biodiversity’. LEVELS OF BIODIVERSITY 1. Genetic diversity: Diversity shown yesteryear a unmarried species at genetic level. E.g. Rauwolfia vomitoria (Himalaya) shows genetic variation inwards the authorization & concentration of the chemic reserpine. Republic of Republic of India has to a greater extent than than 50,000 unlike strains of rice in addition to 1000 varieties of mango. 2. Species diversity: Diversity at species level. E.g. Western Ghats accept greater amphibian species than Eastern Ghats. 3. Ecological diversity: Diversity at ecosystem level. E.g. In India, deserts, pelting forests, mangroves, coral reefs, moisture lands, estuaries & alpine meadows are seen. TOTAL NUMBER OF SPECIES ON EARTH (GLOBAL SPECIES DIVERSITY) According to International Union for Conservation of Nature (IUCN, 2004) to a greater extent than than 1.5 ...
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