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Exploring Life
Term | Definition |
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cell | the smallest unit of life |
cell theory | the theory that states that all living things are made of one or more cells, the cell is the smallest unit of life, and all new cells come from preexisting cells |
light microscope | a microscope that uses light and lenses to enlarge an image of an object |
electron microscope | a microscope that uses a magnetic field to focus a beam of electrons through an object or onto an object’s surface |
unicellular organism | a living thing that is made up of only one cell |
multicellular organism | a living thing that is made up of two or more cells |
reproduction | the process by which new organisms are produced |
homeostasis | an organism’s ability to maintain steady internal conditions when outside conditions change |
prokaryotic | a cell that does not have a nucleus or other membrane-bound |
eukaryotic | a cell that has a nucleus and other membrane-bound organelles |
organelle | membrane-surrounded component of a eukaryotic cell with a specialized function |