Understanding Biology: 2026 Release ISE

Part I The Molecular Basis of Life
1. The Science of Biology
2. The Nature of Moleculars and the Properties of Water
3. The Chemical Building Blocks of Life

Part II The Biology of the Cell
4. Cell Structure
5. Membranes
6. Energy and Metabolism
7. How Cells Harvest Energy
8. Photosynthesis
9. Cell Communication
10. How Cells Divide

Part III Genetic and Molecular Biology
11. Sexual Reproduction and Meiosis
12. Patterns of Inheritance
13. The Chromosomal Basis of Inheritance
14. DNA: The Genetic Material
15. Genes and How They Work
16. Control of Gene Expression
17. Biotechnology
18. Genomics

Part IV Evolution
19. Genes Within Populations
20. The Evidence for Evolution
21. The Origin of Species

Part V The Diversity of Life
22. Systematics and Phylogeny
23. Prokaryotes and Viruses
24. Protists
25. Fungi
26. Plants
27. Animal Diversity
28. Vertebrates

Part VI Plant Form and Function
29. Plant Form
30. Flowering Plant Reproduction
31. The Living Plant

Part VII Animal Form and Function
32. The Animal Biology and How It Moves
33. The Nervous System
34. Fueling the Body's Metabolism
35. Maintaining Homeostasis
36. Reproduction and Development

Part VIII Ecology and Behavior
37. Behavioral Biology
38. Ecology of Individuals and Populations
39. Community Ecology and Ecosystem Dynamics
40. The Living World