CK-12 Life Science
Publisher: CK-12 Foundation 2009
Number of pages: 786
This free online textbook covers seven units: Understanding Living Things; Cells: The Building Blocks of Life; Genetics and Evolution; Prokaryotes, Protists, Fungi, and Plants; The Animal Kingdom; The Human Body; and Ecology.
Home page url
Download or read it online for free here:
- Lumen Learning
Biology is the culmination of the achievements of the natural sciences from their inception to today. It is the cradle of emerging sciences such as the biology of brain activity, genetic engineering of custom organisms, and the biology of evolution.
by Kenneth R. Koehler - Raymond Walters College
This textbook is intended as a vehicle for students in the biological and chemical sciences, enabling them to understand the physical underpinnings of their later studies. The systems under investigation will relate to human physiology.
by Rosalyn Hunter - Wikibooks
This material is based on lectures that the author presented to students in introductory college Biology courses presented at Navarro Community College. The author has tried to make this book easily readable and browseable by anyone interested.
by W. M. Smallwood - Allyn and Bacon
Practical Biology offers a simple, workable, attractive, flexible, and teachable course in Biology. Simplicity is a feature of the book. The language is simple, not technical, and the style is easy, flowing, and colloquial.