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Levels of Organizati

7.12C Organization in Plants and Animals

TermDefinition
Cell Basic structural and functional unit of living organisms.
Tissue Large mass of similar cells that make up a part of an organism and perform the same specific function.
Organ Large collection of similar tissue that make up a part of an organism and performs a specific and specialized function of the body.
Organ System Composed of several organs working together to perform specific and vital functions.
Organism Individual form of life that is capable of growing, taking in nutrients, and usually reproducing (organ systems working together); self-contained living thing.