AP BIOLOGY

EVOLUTION

THE ORIGIN OF LIFE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When a species completely disappears it is called
A
the fossil record
B
an extinction
C
climate change
D
a mass die off
Explanation: 

Detailed explanation-1: -extinct species. extinction, in biology, the dying out or extermination of a species.

Detailed explanation-2: -Extinction happens when environmental factors or evolutionary problems cause a species to die out. The disappearance of species from Earth is ongoing, and rates have varied over time. A quarter of mammals is at risk of extinction, according to IUCN Red List estimates. To some extent, extinction is natural.

Detailed explanation-3: -“Extinction is the process of evolution that leads to the disappearance of a population or species.”

There is 1 question to complete.