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  4. Which of the following option represent extinct species?

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Q. Which of the following option represent extinct species?

NTA AbhyasNTA Abhyas 2022

Solution:

In the last 500 years, IUCN Red List (2004) indicates the extinction of 784 species (including 338 vertebrates, 359 invertebrates, and 87 plants). Some examples of recent extinctions are :
$1.$ Dodo (Mauritius). $2.$ Quagga (Africa). $3.$ Thylacine (Australia). $4.$ Steller's Sea Cow (Russia). $5.$ 3 subspecies (Bali, Javan, Caspian) of the tiger.
- Extinction of 27 species has occurred in just the last 20 years only.