Biology · BIODIVERSITY AND CONSERVATION

Consider the following statements regarding recent extinctions: (A) The IUCN Red List (2004) documents the extinction of 784 species in the last 500 years. (B) In the last 20 years alone, 27 species have disappeared. (C) Three subspecies of tiger—Bali, Javan, and Caspian—are among the recent extinctions. (D) The dodo was an extinct flightless bird from Australia. How many of the above statements are correct?

1. Only one
2. Only two
3. Only three
4. All four