AP BIOLOGY

EVOLUTION

THE ORIGIN OF LIFE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which would allow speciation to occur?
A
Populations being able to migrate and mingle
B
Populations remaining the same for years
C
Islands forming, separating organisms forever
D
Climate change making it colder
Explanation: 

Detailed explanation-1: -Scientists think that geographic isolation is a common way for the process of speciation to begin: rivers change course, mountains rise, continents drift, organisms migrate, and what was once a continuous population is divided into two or more smaller populations.

Detailed explanation-2: -Allopatric speciation, also known as geographic speciation, is speciation that occurs when biological populations of the same species become isolated due to geographical changes such as mountain building or social changes such as emigration.

Detailed explanation-3: -In allopatric speciation, a species population becomes separated by a geographic barrier, whereby reproductive isolation evolves producing two separate species.

There is 1 question to complete.