Common name External surface structures Method of feeding and associated structures Method of locomotion and associated

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Common Name External Surface Structures Method Of Feeding And Associated Structures Method Of Locomotion And Associated 1 (56.78 KiB) Viewed 10 times

Common name External surface structures Method of feeding and associated structures Method of locomotion and associated structures COMPARISON OF CLASSES OF ECHINODERMATA Asteroidea Starfshor Sea Stars Echinodea sea urchin Ophiuroidea Brittle stars Holothuroidea Sea cucumbers Crinoidea Feather stars Opper surface bears mounth kymmetry, myth Penturadial portadrat Sysmmetery Planes toated arus. on offorite paks fine Haws of take fout from mouth to ouress- with the aid pral tentacles consas of 10t0 of tube feel f 30 retrachde-butmurous shards sedentary spraies/crinoids capturs Hrap suspended Small orgasms food pastide in transfer them the mucus of to ambulacral that adstrand grooves at the Oral tentades. base of the arms Then they Suff teaches into their Their ambulacral groov es, which are open & ciliated, carry Hood to mouth. pharynx. locomation in Feather stars have barrowing long, many brone species, which arms fadults ar free-moving, all often lack Podra, is primary they may remo accomplished by Contraction of same spot for lo Periods-Sessite have long, jot well-developed aralar & brgital musdes in body wall. Stalk attached aboral side d body [raly].