Consider the following categories of the IUCN Red List of Threatened Species: 
1. VU
2. EN
3. CR
4. EW
Which among the following is the correct order of the categories showing increasing threat to the species in these categories ?
[A] 1, 2, 3, 4
[B] 2, 1, 3, 4
[C] 1, 3, 2, 4
[D] 4, 1, 2, 3
Click Here to Display Answer