Social Studies, 13.11.2019 05:31, GemJock
Theodor w. engelmann illuminated a filament of algae with light that passed through a prism, thus exposing different segments of algae to different wavelengths of light. he added aerobic bacteria and then noted in which areas the bacteria congregated. he noted that the largest groups were found in the areas illuminated by the red and blue light. what did engelmann conclude about the congregation of bacteria in the red and blue areas?
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Theodor w. engelmann illuminated a filament of algae with light that passed through a prism, thus ex...
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