Some possible Revision Notes for the chapter "Biodiversity and Conservation " in Class 12 Biology are:
1. Biodiversity: Biodiversity refers to the variety of living organisms on Earth, including genetic, species, and ecosystem diversity.
2. Conservation: Conservation is the preservation, management, and restoration of natural environments and species.
3. Threats to biodiversity: Threats to biodiversity include habitat destruction, invasive species, pollution, climate change, and overharvesting.
4. Endangered species: Endangered species are those that are at risk of extinction in the near future.
5. Conservation status: Conservation status reflects how endangered a species is and is designated by organizations such as the International Union for Conservation of Nature (IUCN).
6. Protected areas: Protected areas are designated habitats that are managed for the purposes of conservation.
7. Sustainable development: Sustainable development is an approach to development that meets the needs of the present without compromising the ability of future generations to meet their own needs.
8. Biodiversity hotspots: Biodiversity hotspots are areas of high species diversity and endemism that are threatened by human activities.
9. Ecological restoration: Ecological restoration is the process of restoring degraded habitats to a more natural state.
10. Ex-situ conservation: Ex-situ conservation involves maintaining endangered species in captivity or in artificial environments such as zoos, botanical gardens, and seed banks.
11. In-situ conservation: In-situ conservation involves the protection of endangered species and their natural habitats in the wild.
12. International agreements: International agreements such as the Convention on Biological Diversity (CBD) and the United Nations Framework Convention on Climate Change (UNFCCC) are important for protecting and conserving biodiversity on a global scale.
13. Ecosystem services: Ecosystem services are the benefits that humans derive from natural ecosystems, such as water purification, pollination, and climate regulation.
14. Biodiversity and human well-being: Biodiversity is critical for human well-being, as it provides the ecosystem services that support human societies and economies.
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