Question

According to IUCN ______________ are the taxa with small world populations that are not at present and danger but are at risk and are thinly scattered over a more extensive range.

• A. Endangered
• B. Extinct
• C. Rare
• D. Vulnerable

Answer 1

Answer:

C. Rare

According to the International Union for Conservation of Nature (IUCN), "Rare" species are those that:

1. Have small, scattered populations worldwide.

2. Are not currently considered threatened with extinction (i.e., not Critically Endangered, Endangered, or Vulnerable).

3. Are at risk due to their limited population size and geographic range.

The IUCN categories are:

1. Extinct (EX)

2. Extinct in the Wild (EW)

3. Critically Endangered (CR)

4. Endangered (EN)

5. Vulnerable (VU)

6. Near Threatened (NT)

7. Least Concern (LC)

8. Data Deficient (DD)

9. Not Evaluated (NE)

10. Rare (R)