This best-selling majors ecology book continues to present ecology as a series of problems for readers to critically analyze. No other text presents analytical,

Charles Krebs' best-selling majors-level text approaches ecology as a series of problems that are best understood by evaluating empirical evidence through data

Part 1: What is ecology? Chapter 1: Introduction to the science of ecology. Chapter 2: Evolution and ecology. Part 2: The problem of distribution: populations.