Compound
A. a living component of an ecosystem; for example organisms, such as plants and animals.
B. a substance made up of two or more different chemical elements combined in a fixed ratio.
C. a chemical substance that cannot be broken down into other substances. The basic particle that constitutes a chemical element is the atom, and chemical elements are distinguished from each other by the number of protons in the nuclei of their atoms
D. a molecule containing a very large number of atoms, such as a protein, nucleic acid, lipid, or carbohydrate
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Photosynthesis
A. a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from nutrients into ATP
B. the descriptive and conceptual findings collected through questionnaires, interviews, or observation
C. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
D. a non-living part of an ecosystem that shapes its environment
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