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Echinoderms. BRITTLE STAR, SEA STAR, SEA URCHIN, SAND DOLLARS, SEA CUCUMBERS SOFT BODY

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Presentation on theme: "Echinoderms. BRITTLE STAR, SEA STAR, SEA URCHIN, SAND DOLLARS, SEA CUCUMBERS SOFT BODY"— Presentation transcript:

1 Echinoderms. BRITTLE STAR, SEA STAR, SEA URCHIN, SAND DOLLARS, SEA CUCUMBERS SOFT BODY http://www.youtube.com/watch?v=A100m5EpfFI

2 Echinoderm Enchinoderm MeansSpiny Skin Body Plan 5 SECTIONS INTERNAL SKELETON WATER VESSELS SymmetryFIRST RADIAL Cell organizationREFER TO PRIOR Organs and systemsINTERNAL SKELETON OF CALCIUM, EMBRYO DEVELOPS LIKE THAT OF CHORDATES FeedingSEA STAR EATS MOLLUSKS BY USING TUBE FOOT TO OPEN SHELL, INSERTS TUBE FOOT, AND INSIDE OUT STOMACH, SECRETES ENZYMES AND SUCKS MOLLUSKS ExamplesBRITTLE STAR, SEA STAR, SEA URCHIN, SAND DOLLARS, SEA CUCUMBERS BRITTLE STAR, SEA STAR, SEA URCHIN, SAND DOLLARS, SEA CUCUMBERS SOFT BODY http://www.youtube.com/watch?v=A100m5EpfFI

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