Select the correct option regarding biodiversity estimates.

  • A
    Species exploration is more complete in tropical countries than in temperate countries.
  • B
    $A$ significantly large number of species are yet to be discovered in temperate regions.
  • C
    According to the final estimates,there are $20$ to $50$ million species on Earth.
  • D
    All of the above.

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Similar Questions

In the following pie chart of global invertebrate diversity,what do $A$ and $B$ represent?

How many varieties of mango are found in India?

According to the $IUCN$ Red List $(2004)$, $784$ species have become extinct in the last $500$ years. Match the extinct species given in Column-$I$ with their respective numbers in Column-$II$.
Column-$I$Column-$II$
$(P)$ Vertebrates$(I)$ $338$
$(Q)$ Invertebrates$(II)$ $87$
$(R)$ Plants$(III)$ $359$

India has $.......$ $\%$ of the world's land area,its share of the global species diversity is an impressive $.......$ $\%$ .

Biologists are unable to make an accurate estimate of the number of species for which of the following organisms?

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