Which region would likely have the greatest amount of biodiversity

Most of the terrestrial diversity is found in tropical forests and in general, land has more species than the ocean; some 8.7 million species may exists on Earth, of which some 2.1 million live in the ocean.

Tropical rain forests on land and coral reefs in marine systems are among the most biologically diverse ecosystems on Earth and have become the focus of popular attention.

Amazon represents the quintessence of biodiversity, the richest ecosystem on earth.

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