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Q.

Study the following statements

I) The simple count of number of species in an area shows the alpha diversity

II) Beta diversity means the unique species in an ecosystem in comparison to other.

III) The more is the species richness the more is the evenness always.

In the above statements          

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a

Only I and II statements are correct

b

All statements are correct

c

Only II and III statements are correct

d

Only I and III statements are correct

answer is A.

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Detailed Solution

Species richness measures the number of different species while species evenness tells whether the ecosystem has a dominant species or has similar abundances of all species. Both measures is needed to evaluate the biodiversity of an ecosystem.

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