Question

It is estimated that in producing the Red List,

establishing different levels/degrees of threat, IUCN has assessed
(ONLY) _____ of known species.
a.
15%
b.
10%
c.
2%
d.
5%

Answer 1

Step-by-step explanation:

How many species has the IUCN assessed?

IUCN Red List of Threatened Species

150,300 species

Our goals. To date, more than 150,300 species have been assessed for The IUCN Red List.

What percentage of species assessed by the IUCN are at risk of extinction?

Overall, the IUCN Red List now includes 44,838 species, of which 16,928 are threatened with extinction (38 percent). Of these, 3,246 are in the highest category of threat, Critically Endangered, 4,770 are Endangered and 8,912 are Vulnerable to extinction.

What percentage of species are at risk?

Feb 6 (Reuters) - A leading conservation research group found that 40% of animals and 34% of plants in the United States are at risk of extinction, while 41% of ecosystems are facing collapse.

What are the threat levels of the IUCN?

It divides species into nine categories: Not Evaluated, Data Deficient, Least Concern, Near Threatened, Vulnerable, Endangered, Critically Endangered, Extinct in the Wild and Extinct.