Identify the incorrect statement:
1.  Biodiversity is the term popularised by the sociobiologist Edward Wilson to describe the combined diversity at all levels of biological organisation.
2.  IUCN stands for International Union for Conservation of Nature and Natural resources.
3.  Robert May places the global species diversity in the range of 20 to 50 million.
4.  More than 25 percent of the drugs currently sold in the market are derived from the plants.
Subtopic:  Magnitude of Biodiversity |
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Amongst the vertebrates, the Class with maximum number of species is:

1.  Pisces 2.  Reptilia
3.  Aves 4.  Mammalia

Subtopic:  Magnitude of Biodiversity |
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If we consider invertebrates, the maximum global biodiversity, after insects, is seen in:

1.  Crustaceans 2.  Echinoderms
3.  Mollusks 4.  Annelids
Subtopic:  Magnitude of Biodiversity |
 81%
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