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The total number of species, that are known and described, range between

The number of species that are known and described range between 1.7-1.8 million. This refers to

Biodiversity or the number and types of organisms present on earth.

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Redwood tree of california reaches a height of

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Hotspots of biodiversity means

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The science of naming organism is called

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The system of nomenclature evolved by Linnaeus is