Concepts of Biology – 1st Canadian Edition

A college-level introductory biology textbook covering cell biology, genetics, evolution, biological diversity, and ecology. Designed for non-majors, it pairs clear writing with vivid diagrams and real-world examples.

OpenStax

A scholarly look at how biologists use model organisms and conceptual models, examining the history, philosophy, and practical trade-offs behind choosing systems like mice, flies, and cell cultures.

Georg Striedter