I think the correct answers from the choices listed above are options B and C. The two main sources that lead to increased genetic variation would be Gamete mutations and recombination. <span>Gametes mutations leads to change in DNA information, recombination allows mixture of genotypes.</span>
Levels of activity in the frontal lobe tend to be lower in the brains of people with schizophrenia than in other people.
Frontal lobe is the part of brain located in the anterior portion of brain. It is responsible for cognitive works like memory retention, problem solving, impulse control, emotions, etc. It is the largest of the four lobes of the brain.
Schizophrenia is a disorder of the brain. People with this disorder often misinterpret the reality. The common symptoms of the disease include delusions, hallucinations, disorganized speech and trouble with thinking. The disorder is considered to be caused by the mixed effect of genetics, environment, and alterations in the brain.
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Answer:
Overproduction, Variation, Selection, and <em>Competition</em>
