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Simulate how the rate of photosynthesis is affected by temperature, light intensity and the wavelength of light in a "virtual" lab! Students can conduct a series of investigations to explore the process of paper chromatography, which is used to separate and identify plant pigments of chlorophyll and calculate their Rf values. Users can also simulate the rate of cell respiration in seeds under various conditions in order to determine the ideal conditions for this vital process. Includes a comprehensive tutorial section that provides a step-by-step overview of photosynthesis, as well as an in-depth look at the plant structures that make it possible. Also features a teacher's resource section that allows you to create customized tutorials, tests and presentations. System requirements: Can be used with either Windows® or Mac. Windows® 95 or higher. Power Mac 8.1 or higher. 32MB RAM. ©2004. Individual program: $99.95 Network version (unlimited usage within a single building): $499.95 see Item 3111.