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24 Cards in this Set
- Front
- Back
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cell
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the smallest living part of an organism
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cell membrane
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a soft, flexible structure that surrounds a cell and controls the movement of substances into and out of the cell
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cell respiration
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the process of releasing energy from nutrients
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cell wall
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the rigid outer covering of a plant cell
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chloroplast
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a tiny green structure that contains chlorophyll; found in leaf cells
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cytoplasm
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the jelly-like substance in a cell
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egg
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the first stage in the life cycle of organisms
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egg cell
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a female cell that joins with a male cell to produce a new organism
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fertilization
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the joining of an egg cell and a sperm cell
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glucose
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a kind of sugar that is made by plants and broken down in cells to release energy
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heredity
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the passing of traits from parent to offspring
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inherited trait
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a characteristic that is passed from parent to offspring
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microorganism
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a living thing so tiny that it can only be seen with a microscope
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mitochondria
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the structures in a cell that release energy from the nutrients in food
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offspring
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new organisms that come from parent organisms
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ovary
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a plant or animal structure in which egg cells develop
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protist
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a small organism, usually made of one cell, that has some of the characteristics of a plant or animal
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reproduction
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the process of making more organisms of the same kind
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respiration
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the process of breathing in air to get oxygen and breathing out waste gases
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sexual reproduction
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the production of a new organism from the joining of a female sex cell and a male sex cell
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sperm cell
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a male sex cell
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tissue
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a group of cells that work together to perform a certain function in an organism
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trait
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a characteristic of an organism
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vacuoles
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spaces in a cell that store water and nutrients until the cell needs them; can also store waste until the cell can get rid of them
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