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17 Cards in this Set
- Front
- Back
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VIRUS
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a tiny particle that can reproduce only inside the cells of living things.
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BACTERIA
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tiny, one-celled organisms, some of which can cause diseases
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CELL
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the basic unit of a living organism
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CELL MEMBRANE
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a thin layer that makes up the outside of the cell and controls what enters and leaves it.
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NUCLEUS
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the cell part that controls the cell's activites; the center of an atom, where protons and neutrons are located
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CYTOPLASM
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jellylike material that fills most of a cell
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CELL WALL
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a stiff outer layer that helps keep plant cells firm
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CHLOROPLAST
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the green cell part in plant cells that traps and uses light energy
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KINGDOM
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the largest group into which scientists classify living things
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MONERAN
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One-celled, no separate nucleus example: bacteria
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PROTIST
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most one-celled, have nucleus and other cell structures, example - algae, ameba
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FUNGUS
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mostly many-celled, cannot move, absorb nutrients from other organisms, example - mushrooms, yeast, molds
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CLASSIFY
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to arrange in groups using a system
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INVERTEBRATE
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an animal that has no backbone
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VERTEBRATE
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an animal with a backbone
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INVERTEBRATE
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sponges, jellyfish, worms, sea stars, mollusks, and arthropods
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VERTEBRATE
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fishes, frogs, snakes, birds and cats
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