Learn about the first form of life on Earth, the cell.

Understand the life cycle of a eukaryotic cell.

Explore the three domains of life.

Explore the science of breathing.

Understand the science and ethics behind human or animal cloning.

Discover how mass extinctions play a part in Earth's life history.

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

Discover the five characteristics that all living things have in common.

The Virtual Courseware Project produces interactive, online simulations for the life science laboratory or for earth science studies. The activities are designed to enhance an existing curriculum and include online assessments. They can...

Review the safety precautions while performing scientific investigations.

Understand how species develop and change over time.

Understand the living and nonliving aspects of aquatic ecosystems.

Explore the reproduction of fungi.

Discover the evolution and change of plants over time.

See how scientists trace species through their evolutionary relationships.

Learn about the cell theory and levels of organization in a multicellular organism.

Learn the system that scientists use to classify living things.

Explore the process of doing scientific investigations.

Understand the history of the Earth through geologic time.

Understand primary and secondary ecological succession, and their importance to ecosystems.

Learn how energy is transferred along a food chain.

Learn how energy is passed along through living things in a food chain and web.

Learn the difference between consumers and decomposers in the ecosystem.

Understand the role that producers play in the ecosystem.