Classification
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Vocabulary
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Morphology
Symmetry: Bilateral Symmetry as a larva and radial as an adult.
Structure: Has a water vascular system and projections called tube feet that help with locomotion and eating. They breathe through tube feet and get oxygen from the water, also they have one eye located at the end of each arm.
Appearance: Most have 5 arms coming from a central disk. They have a madreporite which is near the central disk, and have and endoskeleton.
Importance
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Facts
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