Free online biology classes, lesson plans, and games to help you master intermediate, high school or AP biology level biology.
Intermediate and High School Online Classes
Biology 4 Kids
If you are looking for biology basics, stay on this site.
Interactive quizzes and crosswords, genetics problem sets, notes/study guides, and vocabulary matching on all biology topics.
Troy High Home Labs
These biology labs are easily done at home.
University of California Scout Biology
“A-G” Approved. Scout Biology is a first-year course in biology at the high school level. Four themes organize important concepts: science, technology, and society, evolution, the relationship between structure and function, and science as a process.
AP Biology Online Classes
Biology Labs On-Line
AP Biology class online for high school-level students. Interactive with access to live teachers. Free, but you must register. Ask a parent first.
The Biology Project
Fun, richly illustrated, and tested on 1000s of students. It has been designed for biology students at the college level, but is useful for high school students.
Buy the Campbell Biology Plus Mastering Biology with eText — Access Card Package here. Combining the website and book with labs from The College Board AP Advanced Placement Program Biology Lab Manual For Students can prepare a teen for the AP Biology exam.
Online Biology Book
This biology book has many particularly lovely graphics. It is from a college lecture series, so is at the AP biology level.
University of California Scout AP Environmental Science
Earth’s Systems, Human Population Dynamics, Natural Resources, Environmental Quality, Global Changes, and Environment and Society.
DNA From the Beginning
The science behind each concept is explained in this online class by animation, image gallery, video interviews, problem sets, biographies, and links. Available also on CD-rom.
PBS TV Series: “Great Transformations” traces how life moved from water to land — and back again.
Global Change 2 – Human Impacts
Every day, millions of humans and natural activities are altering the planet on which we live. Over the past century, through our ever increasing population and mastery of technology, we have been changing the global environment at a pace unknown to natural history. A University of Michigan course.
Topics in Biology
Browsing this list may reveal, more easily than searching through the index/glossary, topics you wish to examine.
See also ~ Science Courses for commercial courses.