Question

What event might occur when favorable adaptations build up in a population over many generations?

starvation
extinction
migration
speciation

Answer 1

Speciation ( which is when new and unique species from during evolution) is an event that may occur when favourable adaptations build up in a population over many generations ;)

Answer 2

Speciation event occur when favorable adaptations build up in a population over many generations.

What is speciation?

The process by which new species are formed is called speciation. The major types of speciation are allopatric, parapatric, and sympatric. This speciation is due to the evolutionary process that occurs in an organism.

So we can conclude that Speciation event occur when favorable adaptations build up in a population over many generations.

Learn more about speciation here: https://brainly.com/question/2113835