Concepts of Biology
Explore the foundations of life — cell biology, energy and metabolism, genetics, evolution, ecology, and the diversity of living organisms — through interactive, image-rich OpenStax biology courses.
Career Pathways
Biology StudentPre-Med StudentLab TechnicianScience EducatorBiotechnologistEnvironmental Scientist
Biodiversity
9 courses · 67 lessons$0.00/mo
Browse 9 courses
- Sponges and Cnidarians (2 lessons)
- Features of the Animal Kingdom (4 lessons)
- Flatworms, Nematodes, and Arthropods (3 lessons)
- Mollusks and Annelids (2 lessons)
- Echinoderms and Chordates (2 lessons)
- Vertebrates (5 lessons)
- Diversity of Microbes, Fungi, and Protists (27 lessons)
- Diversity of Life (5 lessons)
- Diversity of Plants (17 lessons)
Cellular Foundations
4 courses · 57 lessons$0.00/mo
Browse 4 courses
- Cell Structure and Function (24 lessons)
- Chemistry of Life (14 lessons)
- Introduction to Biology (8 lessons)
- Molecular Biology (11 lessons)
Cellular Processes
3 courses · 37 lessons$0.00/mo
Browse 3 courses
- Photosynthesis (12 lessons)
- How Cells Obtain Energy (17 lessons)
- Reproduction at the Cellular Level (8 lessons)
Genetics, Evolution & Biotechnology
4 courses · 45 lessons$0.00/mo
Browse 4 courses
- Biotechnology (10 lessons)
- Evolution and Its Processes (19 lessons)
- Patterns of Inheritance (9 lessons)
- The Cellular Basis of Inheritance (7 lessons)
Organisms & Ecology
6 courses · 96 lessons$0.00/mo
Browse 6 courses
- Animal Reproduction and Development (11 lessons)
- Conservation and Biodiversity (11 lessons)
- Ecosystems and the Biosphere (21 lessons)
- Population and Community Ecology (16 lessons)
- The Body's Systems (24 lessons)
- The Immune System and Disease (13 lessons)