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vocab

QuestionAnswer
pedicellaria small pincher that helps echinoderms catch food and remove foreign materials from the skin.
water vascular system system of fluid filled closed tubes that allow echinoderms to control movement and get food.
madreportie strainerlike opening through which water enters the water vascular system in most echinoderms.
tube foot one of the muscular small fluid filled tubes with suction cuplike ends that enable echinoderms to move and collect food
ampulla in echinoderms the muscular sac that contracts to force water into the tube foot allowing it to extend.
chordate animal of the phylum chordata having a dorsal tubular nerve cord a notochord pharyngeal pouches and a postanal tail at some point in its development.
invertebrate chordate chordate without a backbone.
notochord flexible rodlike structure extending the length of the chordate body enabling the body to bend and make side to side movement.
postanal tail chordate structure used primarily for locomotion.
dorsal tubular nerve cord tube shaped chordate nerve cord located above the digestive organs.
pharyngeal pouch in chordate embryos one of the paired structures connecting the muscular tube lining the mouth cavity and the esophagus.
Created by: joelsawyer
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