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3 Cards in this Set
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- Back
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Sessile
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An organism that cannot move on its own because it is attached to something.
Examples: Barnacle, sponge, oak tree, coral |
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Motile
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An organism that can move ; they are not attached to anything.
Examples: Humans, sea urchin, rats |
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Unicellular
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An organism that is composed of only one cell. Can't see without microscope.
Examples: Amoeba, bacteria, virus |
