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cells

TermDefinition
cell the basic unit of structure and function of living things
multicellular consisting of many cells
organ a group of different tissues that join together into one structure
organism any living thing; person, plant, animal, fungus, or bacteria
organ system a group of organs that function together to do a job
tissue a group of similar cells that perform a specific function
unicellular consisting of a single cell
species a category of living things that is made up of related individuals able to produce offspring
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