It should be natural selection since there is no external influence implied. (like environment or genetic mutations.)
Answer:
Explanation:
) Digestive System gets nutrients (good) from food and hands it over to the blood and Circulatory System then carries those nutrients where they need to go. (2) Filters out waste from food and pushes it through intestines and out the body (and you know how and where it gets out).
The results from the research suggest that a person who experiences auditory hallucinations that are localized in the expressive area of the brain is actually listening to his or her own thoughts. Since the problem is in the expressive area, this shows that the patient is only listening to the ideas his brain is already producing.
