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16 Cards in this Set
- Front
- Back
cell
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the smallest unit of living matter; all living things are made of cells
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oxygen
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a part of the air that most plants and animals need to live;red blood cells carry this through the body;
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organism
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living things that carry out the five basic life functions; made up of cells;
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tissue
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a group of similar cells that work together to carry out a certain job;
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organ
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tissues in a group working together
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organ system
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organs working together to perform a life function
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life function
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one of the five basic jobs that all living things perform; includes using food for energy, growing and developing, reproducing more of their kind (offspring), responding to thier enviornment, and getting rid of wastes.
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cell wall
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outer covering of a plant cell; thick, sturdy, and box-shaped; protects and supports plant cell. Animal cells DO NOT have cell walls.
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chloroplast
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part of a plant cell that makes food; contains chlorophyll, a green substance that uses the Sun's energy to make food. Animal cells DO NOT have chlorophyll or chloroplasts, and CANNOT make their own food.
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nucleus
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part of both plant and animal cells that controls the cell's activities
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mitrochondria
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part of both plant and animal cells where food is burned to give the cell energy
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chromosomes
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part of both palne and animal cells that controls how the cell develops
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cell membrane
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part of animal cell that is a thin covering outside the cell; in plant cell it is inside the cell wall
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vacuole
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part of both plant and animal cells that stores the cell's food, water, and wastes; plants have one or two large vacuoles; animals have many small ones
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cytoplasm
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part of both plant and animal cells that is a jelly-like substance which fills the cell; mostly water; also has important chemicals
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virus
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cannot reproduce itself, but forces living cells to make copies of the virus within the cell
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