Extinction and Red List · Q18
Q.Distinguish between a species classified by the IUCN as 'Extinct' and one classified as 'Extinct in the Wild'.
West Bengal WbchseTextbookSubjectiveImportance★★★★★est
33% · 18/55 Questions
You're viewing a preview — the full solution, concept, methods & PYQ mapping are locked.
Start your 14-day free trial to unlock the full solution →Step 1. A species classified as Extinct (EX) is one for which there is no reasonable doubt that the very last individual, anywhere on Earth, wild or captive, has died. Step 2. A species classified as Extinct in the Wild (EW) is less severe: individuals of the species still survive, but only in captivity, cultivation, or as an introduced population well outside its historic natural range -- no free-living wild population remains anywhere within its native range. Step 3. The key distinction is therefore whether ANY individuals survive at all (EX = none survive anywhere) versus whether …
Unlock everything free for 14 days
- Full step-by-step solutions
- Concept-first explanations
- Methods, shortcuts & mistakes
- PYQ mapping + timed mock tests
Full access for 14 days. No credit card required.