Learn about cooperation and "multicellularity" in prokaryotes including mutualisms, commensalisms, parasitisms. Also find out the role of prokaryotes in the carbon and nitrogen cycles.

This digital textbook covers core life science concepts and includes interactive features, real-world examples, and videos.

Find out what you know about population ecology by taking this interactive post test.

Find out what you know about community ecology by taking this interactive pretest.

See what you know about the dynamics of ecosystems by taking this interactive pretest.

This interactive diagram helps students memorize the parts of a light microscope.

A very good page that uses a Q&A format to describe the process of gel electrophoresis. Interactive in a rudimentary way.

This interactive site provides animations and activities in several areas of physiology. The images are simple, but clear. The accompanying text provides a good description of the process being shown.

Assess your understanding of the carbon cycle with this interactive multiple choice quiz. Immediate feedback is provided.

Assess your understanding of photosynthesis with this interactive multiple choice quiz. Immediate feedback is provided.

Investigate the development of the fruit fly. Some topics explored are tissue and organ development, larval and pupal stages, and genes. Definitions, study aids, and pictures are included.

Site allows users to learn interesting information about their genes based on his/her physical traits. Provides a brief explanation of how a person's genotype is determined.

From an organization that cares about wolves find: Types of Wolves, Biology and Behavior, and information on wolves and humans. Under Biology and Behavior, be sure to click on Virtual Wolf, an interactive wolf skeleton.

Discussion of the relationship biological factors including high testosterone or low serotonin levels has on the affect of alcohol related aggression.

Provides an in-depth look at the biology of cancer, including a detailed description of the disease process from the basics of cells to the diagnosis and treatment of various types of cancers. Includes videos, animations, and interactive...

Windows to the Universe has developed an interactive resource about the earth, space, biological and physical sciences. Content includes information on our planet, the solar system, the universe, myths associated with space, space...

Through this activity, students work with macromolecules, proteins and nucleic acids. The focus is on the atomic structure of proteins, how linear polymers are made, and the surface charges of the resulting polymers. . Multiple-choice...

In this comprehensive interactive tutorial you will learn about cause and effect in disease occurrence.

Go inside a pharmaceutical company, and take a virtual tour of the safety signs you might find there. After the tour, students do a quick, interactive self-check activity. Printable review sheets may be used as a follow-up activity.

Here are a list of interesting interactive mysteries to go along with your science lessons. Students go through a short story and then try to solve the mystery. Topics include space, environmental issues, disease, and forensics. These...

This interactive activity from NOVA Online shows four different ways in which caves are formed: by rainwater, waves, lava, and bacteria.

This comprehensive interactive tutorial explains forensic anthropology and the reason why it is important. Learn how forensic anthropologists differentiate between human and animal remains and also what information they can gather from...

What is the role of the toxicologist in a forensic investigation? In this comprehensive interactive tutorial explore how drugs are analyzed and what their results indicate within a forensic laboratory. Discover what laws govern the use...

The Why? Files from the University of Wisconsin explains the science behind the news. The website, tackling issues in news headlines, provides a good mix of information and interactivity that takes the "chore" out of learning.