Preface
1. Zoology: An Evolutionary and Ecological Perspective
2. The Structure and Function of Animal| Cells
3. Cell Division and Inheritance
4. Evolution: History and Evidence
5. Evolution and Gene Frequencies
6. Ecology: Preserving the Animal Kingdom
7. Animal Taxonomy, Phylogeny, and Organization
8. Animal Origins and Phylogenetic Highlights
9. The Basal Animal Phyla
10. The Smaller Lophotrochozoan Phyla
11. Molluscan Success
12. Annelida: The Metameric Body Form
13. The Smaller Ecdysozoan Phyla
14. The Arthropods: Blueprint for Success
15. The Pancrustacea: Crustacea and Hexapoda
16. Ambulacraria: Echinoderms and Hemichordates
17. Chordata: Urochordata and Cephalochordata
18. The Fishes: Vertebrate Success in Water
19. Amphibians: The First Terrestrial Vertebrates
20. Nonavian Reptiles: Diapsid Amniotes
21. Birds: The Avian Reptiles
22. Mammals: Synapsid Amniotes
23. Protection, Support, and Movement
24. Communication I: Nervous and Sensory Systems
25. Communication II: The Endocrine System and Chemical Messengers
26. Circulation and Gas Exchange
27. Nutrition and Digestion
28. Temperature and Body Fluid Regulation
29. Reproduction and Development
Appendix A. Animal Phylogeny
Appendix B. The History of the Earth: Geological Eons, Eras, Periods, and Major Biological Events
Appendix C. Animal-Like Protists: The Protozoa
Glossary

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