How many species are documented to be extinct in last 500 years by IUCN Red List, 2004?

How many species became extinct in the last 500 years

How many species became extinct in the last 500 years

How many species have been extinct by last 500 years according to IUCN- 2004 (A) 784 (B) 748 (C) 27 (D) 584

Which species have become extinct in the last 200 to 300 years

How many species are extincting every year ?

What does 'Red' indicate in the IUCN Red list (2004)?

What does 'Red' indicate in the IUCN Red list (2004) ?