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Question
Enlist any six categories into which a given species is placed once it has been thoroughly evaluated by IUCN.
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Solution
After a given species has been thoroughly evaluated, it is placed into one of following several categories.
- Extinct (EX): A designation applied to species in which the last individual has died or is not recorded.
- Extinct in the Wild (EW): A category containing those species whose members survive only in captivity.
- Critically Endangered (CR): A category containing those species that possess an extremely high risk of extinction with very few surviving members (50).
- Endangered (EN): A designation applied to species that possess a very high risk of extinction as a result of rapid population decline of 50 to more than 70 percent over the previous 10 years (or three generations).
- Vulnerable (VU): A category containing those species that possess a very high risk of extinction as a result of rapid population decline of 30 to more than 50 percent over the previous 10 years (or three generations).
- Near Threatened (NT): A designation applied to species that are close to becoming threatened or may meet the criteria for threatened status in the near future.
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