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Java Games: Flashcards, matching, concentration, and word search. |
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Crinoidea
Sea Lilies, Feather Stars
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A | B |
Chrinoidea | lilylike, most closely resembles Cambrian fossils |
sessile | not free living, they have a long stalk that is attached to rocks or the sea bottom |
mouth faces up | unlike any other echinoderm, the crinoid mouths do not face the sea bottom |
pentaradial | five arms extend from the body branch out to form many more arms; up to 200 |
sticky tube feet | located at the end of each arm capture food and serve as a respiratory surface |
nervous system | no brain! |
circulatory system | not here! |
excretory system | forget it! |
respiratory system | I don't think so! |
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