NEET BIOLOGY

Detailed explanation-1: -“Endangered” means a species is in danger of extinction throughout all or a significant portion of its range. “Threatened” means a species is likely to become endangered within the foreseeable future.

Detailed explanation-2: -A species is classified as endangered when its population has declined at least 70 percent and the cause of the decline is known. A species is also classified as endangered when its population has declined at least 50 percent and the cause of the decline is not known.

Detailed explanation-3: -Habitat loss is the primary cause of higher extinction rates. Other causes include habitat changes, over-exploitation of wildlife for commercial purposes, the introduction of harmful nonnative species, pollution, and the spread of diseases.

Detailed explanation-4: -The ESA defines a threatened species as “any species which is likely to become an endangered species within the foreseeable future throughout all or a significant portion of its range.” Threatened species receive protections through separate regulations issued under Section 4(d) of the ESA.

Detailed explanation-5: -Endangered species: These are the species that are in danger of extinction.