7.12CDF Levels of Organization, Cell Organelles, Cell Theory
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| CELL | Basic structural and functional unit of living organisms.
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| TISSUE | Large mass of similar cells that make up a part of an organism and perform the same specific function.
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| ORGAN | Large collection of similar tissue that make up a part of an organism and performs a specific and specialized function of the body.
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| ORGAN SYSTEM | Composed of several organs working together to perform specific and vital functions.
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| ORGANISM | Individual form of life that is capable of growing, taking in nutrients, and usually reproducing (organ systems working together); self-contained living thing.
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| ORGANELLE | Tiny cell structure that carries out a specific function within the cell.
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| POPULATION | Group of individuals of the same species that live in the same area.
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| Cell Membrane | Thin tissue that forms the outer surface of the cytoplasm of a cell & regulates the passage of substances & materials in & out of the cell.
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| Nucleus | Organelle found in eukaryotic cells that contains genetic material responsible for controlling the activities of the cell.
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| Cytoplasm | Jellylike & fluid material that makes up much of a cell inside the cell membrane, surrounds the nucleus in eukaryotic cells, & in which the organelles are suspended; cyto = hollow
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| Mitochondrion | Organelle in the cytoplasm of eukaryotic cells that functions in energy production - power factory of the cell.
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| Vacuole | Organelle that stores water & nutrients in both plant & animal cells; 1 large central unit in plant cells, but many small units in animal cells.
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| Chloroplast | Green organelle in plant cells that converts light energy into chemical energy (Photosynthesis); chlor = green; plast = small particle
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| Cell Wall | Rigid structure that surrounds the cell membrane of a plant cell to give it support & protection.
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| Photosynthesis | Chemical reaction in which plants convert radiant energy into chemical energy; also converts carbon dioxide & water into oxygen & glucose; photo = light; synthesis = combine
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| CELL THEORY | Widely accepted explanation of the relationship between cells & living things; explains that the cell is the fundamental structural & functional unit of living matter.
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| CELL DIVISION | Process by which a cell divides into 2 new daughter cells.
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| MICROSCOPE | Device that produces magnified images of structures that are too small to see with the unaided eye.
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| MICROSCOPIC | Too small to be seen except under a microscope.
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