Vertebrates_Part_I

Vertebrates_Part_I - Fish Structure Amphibians(Amphi double...

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Vertebrates: Part I Fishes & Amphibians
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Fishes Live in freshwater or saltwater Bone or cartilage protects brain & spinal cord Gills for respiration Mostly external fertilization
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Classes of Fishes Agnatha (Jawless Fish) Lampreys Chondrichthyes (Cartilaginous Fish) Sharks, rays Osteichthyes (Bony Fish) Most common fish
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Unformatted text preview: Fish Structure Amphibians (Amphi- double) Ectothermic Most have metamorphosis 2 Big Groups – Anura: frogs, salamanders – Caudata: salamanders, newts Problems with life on land Drying out Respiration Reproduction Movement Temperature Control Frog Life Cycle...
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