AP BIOLOGY

ECOLOGY

BIOMES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If a species in no longer found living on Earth it is
A
pollutants
B
extinct
C
species
D
endangered
Explanation: 

Detailed explanation-1: -Extinction is the process in which groups of organisms die out. If over an extended period of time the birth rate of a species is less than the death rate, then extinction will eventually occur.

Detailed explanation-2: -A species of animal or plant that is extinct no longer has any living members, either in the world or in a particular place. It is 250 years since the wolf became extinct in Britain.

Detailed explanation-3: -False. Endangered animals are those species whose numbers are diminishing at an alarming rate and face an immediate danger of extinction.

Detailed explanation-4: -Extinction is a natural phenomenon: After all, more than 90 percent of all organisms that have ever lived on Earth aren’t alive today. But humans have made it worse, accelerating natural extinction rates due to our role in habitat loss, climate change, invasive species, disease, overfishing, and hunting.

Detailed explanation-5: -Extinct species are those species that are no longer in existence. Example :-Dinosaurs and Dodo.

There is 1 question to complete.