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Chapter 5

Cells to Microorganisms

Cell The basic unit of structure and function in all living things.
Organism A living thing.
Tissue A group of cells that work together to perform a certain function.
Organ A group of tissues that work together to perform a certain function.
Organ System A group of organs that work together to do a job for the body.
Microorganism An organism that is too small to be seen with the unaided eye.
Bacteria A certain type of microorganism.
Mold A kind of fungus.
Protist A single-celled or multi-celled organism that shares traits with plants or animals.
Created by: Dr. Austin