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6 Cards in this Set
- Front
- Back
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Cnidarians
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Invertebrates that have stinging cells and take food into a central body cavity.
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Mollusks
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Invertebrates with soft unsegmented bodies, that are often protected by a hard shell.
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Arthropods
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Invertebrates, that have hard outer coverings, segmented bodies and pairs of jointed appendages.
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Exoskeleton
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The outer covering of the skeleton.
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Echinoderm
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An invertebrate that has an internal skeleton and a system of fluid-filled tubes.
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Endoskeleton
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An internal skeleton is called an endoskeleton.
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