Which one of the following criteria is necessary for natural selection to occur

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind

Suppose you were the commissioner of corrections for your state. which correctional activities might come within your domain? which mostly would not