 | Chapter 1 Zoology: An Ecological and Evolutionary Perspective |
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 | Chapter 2 Cells, Tissues, Organs, and Organ Systems of Animals |
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 | Chapter 3 Cell Division and Inheritance |
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 | Chapter 4 Evolution: History and Evidence |
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 | Chapter 5 Evolution and Gene Frequencies |
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 | Chapter 6 Ecology: Preserving the Animal Kingdom |
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 | Chapter 7 Animal Classification, Phylogeny, and Organization |
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 | Chapter 8 Animal-like Protists: The Protozoa |
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 | Chapter 9 Multicellular and Tissue Levels of Organization |
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 | Chapter 10 The Triploblastic, Acoelomate Body Plan |
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 | Chapter 11 The Pseudocoelomate Body Plan: Aschelminths |
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 | Chapter 12 Molluscan Success |
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 | Chapter 13 Annelida: The Metameric Body Form |
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 | Chapter 14 The Arthropods: Blueprint for Success |
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 | Chapter 15 The Hexapods and Myriapods: Terrestrial Triumphs |
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 | Chapter 16 The Echinoderms |
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 | Chapter 17 Hemichordata and Invertebrate Chordates |
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 | Chapter 18 The Fishes: Vertebrate Success in Water |
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 | Chapter 19 Amphibians: The First Terrestrial Vertebrates |
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 | Chapter 20 Reptiles: The First Amniotes |
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 | Chapter 21 Birds: Feathers, Flight, and Endothermy |
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 | Chapter 22 Mammals: Specialized Teeth, Hair Endothermy, and Viviparity |
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 | Chapter 23 Protection, Support, and Movement |
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 | Chapter 24 Communication I: Nervous and Sensory Systems |
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 | Chapter 25 Communication II: The Endocrine System and Chemical Messengers |
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 | Chapter 26 Circulation and Gas Exchange |
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 | Chapter 27 Nutrition and Digestion |
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 | Chapter 28 Temperature and Body Fluid Regulation |
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 | Chapter 29 Reproduction and Development |
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 | Chapter 30 The Chemical Basis of Animal Life |
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 | Chapter 31 Energy and Enzymes: Life's Driving and Controlling Forces |
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 | Chapter 32 How Animals Harvest Energy Stored in Nutrients |
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 | Chapter 33 Embryology |
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 | Chapter 34 Animal Behavior |
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