Question

What name is given to those species:
(a) that are on the verge of vanishing from earth?
(b) that have died out completely?

Answer 1

Answer:

(a) The endangered species

Explanation:

(a) The endangered species are on the verge of vanishing from earth if proper measures and protection rules will not be implemented along with provision of breeding grounds and natural habitats.

b)An endling is the last known individual of a species or subspecies. Once the endling dies, the species becomes extinct. The word was coined in correspondence in the scientific journal Nature. Alternative names put forth for the last individual of its kind include ender and terminarch.

Answer 2

(a) verge of vanishing from earth - Endangered species

(b) died out completely - Extinct species

Explanation:

(a) An endangered species is an animal or plant that's considered at risk of extinction. A species can be listed as endangered at the state, federal, and international level. On the federal level, the endangered species list is managed under the Endangered Species Act. Red Data Book of India includes the conservation status of animals and plants which are endemic to the Indian subcontinent. Critically endangered animals as per the Red Data List of India are Gharial, River Dolphins, etc.

(b) Extinct animals are those species which are no longer living. This group includes prehistoric animals like dinosaurs and ice-age mammals, as well as modern species like the Dodo.