Question

what event might occur when favorable adaptations build up in a population over many generations?
○ starvation
○ extinction
○ migration
○ speciation

Explanation:

Speciation is the process where new species form due to the accumulation of favorable adaptations (like genetic changes) over generations, leading to reproductive isolation. Starvation is related to lack of food, migration is movement of organisms, and extinction is the end of a species—none match the accumulation of adaptations forming new species.

Answer:

D. speciation (Note: Assuming the options are labeled with letters, if original labels were different, adjust. But based on the choices, the correct one is speciation as it's the result of accumulated favorable adaptations over generations leading to new species formation.)