Animals have Mitochondria that use the sugars provided by plants to produce their own cellular energy :)
Answer
Light intensity increases also, but it gets to a point that the temperature increases and denature the enzymes involved so a plateau results.
Brain mind connections in which damage to one side of the brain often causes numbness or paralysis on the opposite side of the body suggesting that the right side of the body is wired to the left side of the brain and vice versa and damage to the back of the brain disrupted vision, and to the left front part of the brain produced speech difficulties.