Question

which natural resources are the biodiversity hotspots ? Suggest what happens when there is a loss of biodiversity

Answer 1

Hot spots are those regions of rich biodiversity which have been declared senaitive due to direct or indirect interference of human activities. There are 25 terrestrial hot spots in the world including two from India.
LOSS OF BIODOVERSITY can cause loss of balance in ecology due to the depletion of natural resources.It can also cause increase pollution, drastic variation in climate etc.
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Answer 2

Loss of biodiversity leads to decline in plant production,lowered resistance to environment perturbations such as drought and increased variability in certain ecosystem process like plant productivity ,water use,pest etc..
Source:ncert biology class 12th chapter biodiversity and conservation