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21 Cards in this Set
- Front
- Back
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Class of traditional starfish Basic structure |
Class Asteroidea |
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Class of Brittle Stars and Basket Stars Slender and sharp arms |
Class Ophiuroidea |
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Class of Sea Urchins disc-shaped, no arms |
Class Echinoidea |
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Class of Sea cucumbers Soft bodies, no arms or spines |
Class Holothoroidea |
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Class of Sea lilies No madreporite, no pedicellariae |
Class Crinoidea |
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pressure-equalizing organ that allows water to enter the organism |
Madreporite |
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Where the mouth, ambulacral grrove, and tube-feet are found |
Oral surface |
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Where the anus and madreporite are found. |
Aboral surface |
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calcified plates that make up echinoderm endoskeleton |
ossicles |
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a network of water-filled canals that function in movement, food gathering, and as a basic circulatory system |
water-vascular system |
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hydraulic, hollow, thin-walled tubes that end in suction cups and enable echinoderms to move |
tube feet |
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tiny pincers that are used for surface maintenance by sea stars and some sea urchins |
pedicellariae |
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Carry water throughout the body |
Radial: arms Ring: center Stone: connects madreporite |
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the round, muscular structure on a tube foot that aids in locomotion |
Ampulla |
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nervous system of a sea star; encircles the mouth |
Nerve Ring |
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Reproduction of Cnidarians |
Sexual Asexual: Fragmentation |
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Starfish Asteroidea |
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Brittle star Ophiuroidea |
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Sea Urchin Echinoidea |
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Sea cucumber Holothoroidea |
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Sea Lilies Crinoidea |
