1. The document summarizes key concepts from Chapter 1 of the AP Biology textbook, which introduces seven major themes in the study of biology: (1) Evolution, (2) Science as a Process, (3) Pathways of Energy and Matter, (4) Information Storage and Transmission, (5) Systems, (6) Interactions, and (7) Scale. 2. It discusses how life is organized at different scales from molecules to biosphere. The core theme of evolution accounts for both unity and diversity of life. Evolution occurs through genetic changes that are tested by natural selection. 3. Scientists use two main forms of inquiry: hypothesis-based scientific method and natural history. Hypotheses