How is biodiversity and organism success related to tropical rainforests?

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If tropical rainforests are deforested, biodiversity and organism success suffers.
The tropical rainforest biome is the least biodiverse biome on Earth.
All species in the tropical rainforests have been identified by scientists, thus they can be protected in zoos if an area needs to be deforested.

If tropical rainforests are deforested, biodiversity and organism success suffers.