biodiversity, it's types, alpha, beta, gamma diversity, importance & loss of biodiversity 

01:16 Biodiversity is the variety of living organisms in a specific area. 02:32 Genetic diversity refers to the variety of genes in a species. 03:48 Species diversity includes species richness and abundance. 05:04 Biodiversity is measured in three terms - alpha diversity, beta diversity. 06:20 Alpha, beta, and gamma diversity are three important measurements in biodiversity. 07:36 The importance of biodiversity is divided into three types: ecological services, biological services, and social services. 08:52 Biodiversity provides food, medicinal plants, wood products, and breeding stocks 10:06 Loss of biodiversity is caused by natural calamities and man-made factors.

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