That as you increase in trophic level 1/10th of the nutrients is lost. Starting at the consumers (plants) all the way to humans.
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Chloroplasts are organelles that help plants convert water, energy and sunlight into food. Chloroplasts support photosynthesis by storing energy and synthesizing metabolic materials.
The neuron that will most likely cause disruption in the flow of information in the brain which undergoes through the neurons is the myelin. If this hardens, this will likely disturb the person's flow of information in the brain and this usually happens when a person has multiple sclerosis.