Question

How do ecologists estimate the total number of species present in the world?

Answer 1

The total number of species present in the world is calculated by ecologistsby statistical comparison between aspecies richness of a well studied group of insects of temperate and tropical regions.

Answer 2

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Your answer;

The diversity of living organisms present on the earth is very vast. According to an estimate why researches it is about 7 millions.the total number of spices present in the world is calculated by ecologists richness of the well-studied group of insects and temperate and tropical regions. then this radios are extrapolatedwith other groups of plants and animals to calculate the total spices richness President on the Earth.

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