Looking for biology books? We've gathered over 50 free biology textbooks in PDF, covering cell biology, genetics, ecology, microbiology, molecular biology, evolutionary biology, marine biology, and botany.

Study biology online for free by downloading OpenStax's college Biology 2e book and using our accompanying online resources including a biology study guide.

Jun 30, 2025 · The word biology means, "the science of life", from the Greek bios, life, and logos, wordor knowledge. Therefore, Biology is the science of Living Things. That is why Biology issometimes …

Our Concepts of Biology textbook adheres to the scope and sequence of most one-semester non-majors courses nationwide. We also strive to make biology, as a discipline, interesting and …

A Text-book of Biology for Students in General, Medical and Technical Courses. This is a digital copy of a book that was preserved for generations on library shelves before it was carefully scanned by …

evolution by natural selection. In 1859, he published a book called ‘On the origin of species by means of natural selection’ which comprised 30 years of research and dramatically changed our understanding

Biology is the science of life. All living organisms share several key properties such as order, sensitivity or response to stimuli, reproduction, growth and development, regulation, homeostasis, and energy …

Human Biology by Janet Wang-Lee Download this book Creative Commons Attribution NonCommercial ShareAlike Read Book

Welcome to the Biology Library. This Living Library is a principal hub of the LibreTexts project, which is a multi-institutional collaborative venture to develop the next generation of open-access texts to …

Jan 1, 2024 · This textbook is focused specifically on the principles and concepts of a foundational Cell Biology course. The book takes a more conceptual approach that highlights how scientists study …