DOSSIER: Biodiversity, NCERT LINE BY LINE, pre-class

Biodiversity-2-NCERT-Species Diversity-According to the IUCN (2004), the total number of plant and animal species described so far is slightly more than 1.5 million

Category Type Number of Species
Animals Total 10,50,000
Vertebrates 52,500
Fishes 25,000
Amphibians 5,750
Reptiles 7,500
Birds 9,000
Mammals 4,500
Insects 7,50,000
Crustaceans 70,000
Mollusca 85,000
Other Invertebrates 1,25,000
Plants Angiosperms 2,50,000
Fungi 69,000
Bryophytes 16,600
Algae 27,000
Pteridophytes (Ferns) 10,000
Gymnosperms 600
Lichens (Confirmed) 19,500 spp
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