Not endemic to America Natural habitat: Mainly found in dark, damp areas In populated areas they often live in basements Have very quick reflexesģ The Compound Eye Sensitive to light levels and specific coloursĬomposed of: Ommatidia An optical system Photoreceptor cells Within the optical system there are variants for nocturnal animals Superimposed eyes or apposition eyes Lindsay Grant, Ashley Mah and Gillian Tetlow BIOL 3401 Mount Allison University 1 Behavioural responses of Periplaneta americana to red, blue, green and white light colours
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