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. if you ran the same experiment without passing light through a prism, what would you predict? a) there would be no difference in results. b) the bacteria would be relatively evenly distributed along the algal filaments. c) the number of bacteria present would decrease due to an increase in the carbon dioxide concentration. d) the number of bacteria present would increase due to an increase in the carbon dioxide concentration. e) the number of bacteria would decrease due to a decrease in the temperature of the water.
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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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