Chapter 1: Biology in the 21st Century


Five-minute podcasts each dedicated to a different species; part of the Encyclopedia of Life—an ongoing effort of several institutions to collect and make available information about every species on Earth

Structure and Function

Multimedia lesson highlighting the connection between structure and function at organismal, cellular, and molecular levels; includes videos and a virtual cow’s eye dissection

Scientific Processes

Interactive flowchart of scientific processes and pathways

Nature of Science

Interactive article that walks you through a checklist of scientific characteristics

Limits of Science

Interactive article discussing the boundaries of science

Light Microscope

Realistic virtual compound microscope that includes a tutorial on its operation

Electron Microscope

Game in which you view and identify specimens using a virtual electron microscope


Interactive article that offers six arguments for growing genetically engineered crops and six arguments against it