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compounds such as lipids, carbohydrates, proteins, nucleic acids, vitamins, petrochemicals and some plastics that contain the elements carbon and hydrogen.
foods produced from genetically modified organisms.
when an animal accumulates body fat or stores food resources during warmer periods and becomes...
two species that interact symbiotically in a relationship that is beneficial to both species....
vascular tissue that conducts food substances from the leaves to other parts of the plant. The...