Q. What is the number of extinct species documented by the IUCN Red List (as per 2004) in the last 500 years?

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Solution:

The IUCN Red List (2004) expands as International Union of Nature and Natural Resources. The IUCN Red List is a critical indicator of the health of the world's biodiversity. This organisation has documented the extinction of about 784 species (including 338 vertebrates, 359 invertebrates and 87 plants) in the last 500 years.