Which of the following terms describes a species that is found exclusively in a particular region and nowhere else in the world?

Extinct species - This refers to a species that no longer exists anywhere in the world. Extinct species include dinosaurs, such as Tyrannosaurus Rex and Triceratops, as well as more recent species like the Dodo bird and the Tasmanian Tiger.

Endemic species - This refers to a species that is unique to a specific geographic region and cannot be found anywhere else. Endemic species include the Galapagos Giant Tortoise, which is found only on the Galapagos Islands, and the Quokka, which is found only in southwestern Australia.

Vulnerable species - This refers to a species that is at risk of becoming endangered due to various threats, such as habitat loss, hunting, or climate change. Vulnerable species include the Giant Otter in South America, the Blue Whale in the oceans, and the Snow Leopard in Central Asia.

Endangered species - This refers to a species that is at high risk of extinction in the near future if conservation efforts are not implemented. Endangered species include the Amur Leopard in Russia, the Mountain Gorilla in Africa, and the Leatherback Sea Turtle in the oceans.