What are the different levels of endangerment?

Related questions

1. How many broad categories are there in IUCN?
2. What is the purpose of IUCN Red List?
3. What are the levels of conservation status?
4. What is WWF P?
5. What is the most endangered species on the planet?
6. Which is worse endangered or threatened?

Tags

1. #extinct
2. #defines
3. #category
4. #vulnerable
5. #threat
6. #endangered
7. #severity
8. #least
9. #extinction
10. #critically
11. #species
12. #conservation
13. #levels
14. #represents
15. #threatened
16. #concern
17. #level
18. #different
19. #seven
20. #causes
21. #specific