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Blume Ch. 13.4

Landon's Echinoderms

QuestionAnswer
What is the hard outer cover of an echinoderm? endoskeleton
What symmetry do echinoderms have? radial symmetry
What is a water-Vascular system? A network of water-filled canals connected to thousands of tube feet
About How many echinoderms exist? about 6,000 echinoderms
Echinoderms are useful because they help ______ materials. recycle
What are soft bodied echinoderms with leathery covering? Sea Cucumbers
________ and ________ are disk or globe shaped animals covered with spines. 1. Sea Urchins 2. Sand dollars
_______ allow the predator to break off its arm so it can escape. Bristle Stars
What fraction of echinoderms have arms arranged around a central point. 1/3
They Reproduce _______ and can _______ a lost arm. 1. Sexually 2. regenerate
The water-vascular system help the echinoderm to ______, exchange carbon dioxide and oxygen, capture _______, and remove _______. 1. move 2. food 3. Wastes
Created by: llessmann
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