Chordates Study Guide Lesson 8.docx

Chordates Study Guide Lesson 8.docx - Lesson 8 Study Guide...

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Lesson 8 Study Guide Animals Part Two Study Guide Deuterostome – first opening is the __ MOUTH________. Includes: _______________________ and ______________________. Protostomes – first opening is the __ Anas__________. Echinoderms ___ 5__ part radial symmetry larva have ____BIO-LATERAL_____________ symmetry spiny skin tube feet external _____ FERTILZATION_____________ ex: Chordates Chordates have 4 characteristics at some stage of life: 1. NOTOCHORD 2. DORSAL HOLLOW NERVE CORD 3. PHARYNGEAL GILL SLITS 4.POSTANAL TAIL Invetebrate Chordates – no spinal column vertebral column Tunicates Lancelets
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Vertebrates Fish – Gills and Fins Cartilaginous Fish – cartilage rather than bone. _____LATERAL LINE ______________________ detects vibration Ampullae of Lorenzini - Two chambered __ HEARTS___________ Internal Fertilization o Ovoviviparous o Oviparous o Viviparous MEANS LIVE. Bony Fish Swim bladder – BOYANCY Lateral line – External Fertilization Pumps water over gills Ray-finned – most fish you recognize; ex. tuna, salmon, catfish Lobe-finned – muscular fins; ex. lung fish Amphibians – Double Life 3 Chambered ___ HEART______ Eggs lack ____ A PROTECTIVE SHELL________________
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  • Spring '16
  • Christina Snaples
  • Shark, Lorenzini ,  Eggs lack

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