1. Zoology: an evolutionary and ecological perspective
2. Cells, tissues, organs, and organ systems of animals
3. Cell division and inheritance
4. Evolution: history and evidence
5. Evolution and gene frequencies
6. Ecology: preserving the animal kingdom
7. Part two: animal-like protists and animalia: animal classification, phylogeny, and organization
8. Animal-like protists: the protozoa
9. Multicellular and tissue levels of organization
10. The triploblastic, acoelomate body plan
11. Molluscan success
12. Annelida: the metameric body form
13. The pseudocoelomate body plan: aschelminthes (lophotrochozoan and ecdysozoan phyla)
14. The arthropods: blueprint for success
15. The hexapods and myriapods: terrestrial triumphs
16. The echinoderms
17. Hemichordata and invertebrate chordates
18. The fishes: vertebrate success in water
19. Amphibians: the first terrestrial vertebrates
20. Reptiles: nonavian diapsid amniotes
21. Birds: reptiles by another name
22. Mammals: synapsid amniotes
23. Part three: form and function: a comparative perspective protection, support, and movement
24. Communication i: nervous and sensory systems
25. Communication ii: the endocrine system and chemical messages
26. Circulation and gas exchange
27. Nutrition and digestion
28. Temperature and body fluid regulation
29. Reproduction and development
30. The chemical basis of animal life
31. Energy and enzymes: life's driving and controlling forces
32. How animals harvest energy stored in nutrients
33. Embryology
34. Animal behavior