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5. What are biosphere reserves ? When was this concept 16. What is species diversity ? What is its importantance?diversity?7. How is biodiversity useful in agriculture ?8. How is biodiversity important/used for medicinal benef9. Give any three examples to show how human activitie10. Bring out the effects of fragmentation of habitats on a11. What are biodiversity hot spots? Who introduced thishot spots ?. DIFFERENTIATE BETWEEN1. In situ Conservation and Ex situ Conservation2. National park and Sanctuary3. National park and Biosphere Reserve

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