CH_23_STUDENTs_OUTLINE

CH_23_STUDENTs_OUTLINE - Chapter 23: Animal Diversity II,...

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Chapter 23: Animal Diversity II, Vertebrates
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Vertebrate animal evolutionary tree Primitive ancestral vertebrate
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Key Features of Chordates 1. 2. 3. 4.
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Are Humans Chordates?
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eye heart liver tail limb bud (future leg) limb bud (future arm) gill slit
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Invertebrate Chordates
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Lancelet mouth gill slits notochord gut tail anus (b) mouth gill slits gut larva anus notochord tail water enters (mouth) water exits gill slits gut adult 0 Tunicate
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Vertebrate Chordates
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Vertebrate Adaptations
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Major Vertebrate Groups
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Jawless Fishes
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Hagfishes
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Hagfish
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Hagfish When disturbed/attacked by a predator, hagfish produce a tremendous volume of “slime” that covers their bodies.
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Lampreys
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Jawed Fishes
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Cartilaginous Fishes
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Sharks
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Skates and Rays
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Bony Fishes
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Body Plan of a Bony Fish brain olfactory bulb heart liver gallbladder stomach intestine swim bladder kidney urinary bladder
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Ancestral Bony Fishes
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Amphibians Live A Double Life
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Amphibians
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CH_23_STUDENTs_OUTLINE - Chapter 23: Animal Diversity II,...

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