The following diagram shows the results of oxygen-seeking bacteria that were exposed to a filament of alga (a chlorophyll containing plant) in different colors of light. Berobic bacteria OO O OC filament of alga 400 450 500 550 600 650 700 Wavelength (nm) (a) Interpret the pattern of bacteria (white dots) in the different color regions shown above. (b) State a hypothesis that might have been proposed for the experiment with the algae. Explain how the results obtained supported or refuted this hypothesis.

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Prokaryotic evolution

The term evolution means the gradual change or a transformation from a simple or primitive state to a complex or advanced state. Prokaryotic evolution is a concept that involves the evolution of the form and function of most primitive organisms (prokaryotes) through several stages and changes to form diverse life as a part of organic evolution.