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Echinoderms
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Echinoderm
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A slow-moving or sessile marine deuterostome with a water vascular system and, in larvae, bilateral symmetry. Echinoderms include sea stars, brittle stars, sea urchins, feather stars, and sea cucumbers.
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Terms in this set (28)
Echinoderm
A slow-moving or sessile marine deuterostome with a water vascular system and, in larvae, bilateral symmetry. Echinoderms include sea stars, brittle stars, sea urchins, feather stars, and sea cucumbers.
bipinnaria
Bilatterally symmetrical free swimming larvae of the starfish
ossicles
calcified plates that make up echinoderm endoskeleton
water-vascular system
in echinoderms, a network of water-filled canals that function in movement, food gathering, and as a basic circulatory system
tube feet
hydraulic, hollow, thin-walled tubes that end in suction cups and enable echinoderms to move
