Question

how many animal species do we have ?

Answer 1

Hello friend
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Life's diversity is one of the most attracting part of our planet; hence knowing how many species inhabit Earth is among the most fundamental questions in science. There are 8.7 million eukaryotic species globally, of which 2.2 million  are marine. There are  86% of existing species on Earth and 91% of species in the ocean .
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Swapnil756   Apprentice Moderator