Answer:
These are the different categories defined by the IUCN that are given below in detail.
Explanation:
The right question goes like this, "what is the difference between critically endangered, endangered, vulnerable, and threatened species?"
<em>The answer to this question is</em>,
International Union for Conservation of Nature (IUCN) classifies species into nine groups through unique criteria such a rate of decline, size and degree of population, geographical distribution, and so forth. The following are some of those categories.
- Critically Endangered: The species in this category are likely to go extinct soon unless some drastic measures are taken to ensure its survival. e.g., Bluefin tuna.
- Endangered: The species in this category are at high risk of extinction in the wild. e.g., Green sea turtle.
- Vulnerable: The species in this category face a high risk of unnatural extinction in the near future. e.g., Komodo dragons.
<u>According to IUCN</u> "Threatened" embraces the divisions of Critically Endangered, Endangered, and Vulnerable.