The right option is a. variations.
Variations are the differences between the individual organisms of the same species which is as a result of genetic differences or the influence of environmental factors on the expression of the genetic abilities. Variation may be expressed in behavior, physical appearance, learning, and metabolism. The two types of variations are somatic variation and germinal variation.
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:
Humans evolved in the Eocene period. Humans have impacted the rainforests through mining, agriculture, and construction. True. The Earth's history has had a significant effect on the characteristics of its organisms and biomes.
Explanation:
Answer:
Thorns and colour.
Explanation:
The thorns are there to protect the stem from being cut or wild animals trying to eat it.
The colour is there to attract insects and pollinators to come and spread pollen.