B is the correct answer. They can sometimes show an extinction but not always.
Answer:
Migration
Explanation:
Migration refers to the movement from one region to another
Neuronal Migration refers to the movement of the neurons from their origin (brain center) to their final positions.
Example Neuron 4591 migrated to the part of brain that con trols logic whereas Neuron 4592 migrated to the region of the brain that controls emotions.
The migration can be radial or tangential.
Some of the organisms might have different traits that allow them to survive better than others within the population. That way the population has a greater chance of surviving.
Birth and immigration
death and emigration
