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What Is Biodiversity?
Biological diversity or biodiversity is a term we use to describe the variety of life on Earth. It refers to the wide variety of ecosystems and living organisms: animals, plants, their habitats and their genes.
Biodiversity can be measured on several different levels:
Biodiversity is not consistent across the Earth. It is consistently rich in the tropics and in specific regions such as the Cape Floristic Province; it is less rich in polar regions where conditions support much less biomass.
Rapid environmental changes typically cause extinctions; 99.9percent of species that have existed on Earth are now extinct.
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