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5 Cards in this Set
- Front
- Back
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cnidocyte
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stinging cell
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nematocyst
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poison-filled, stinging structure that contains a tightly coiled dart
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nerve net
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a loosely organized network of nerve cells that together allow cnidarians to detect stimuli such as the touch of a foreign object
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hydrostatic skeleton
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consists of a layer of circular muscles and a layer of longitudinal muscles that enable the cnidarian to move
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external fertilization
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a female releases an egg into the water and a male releases sperm
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