The intricate structure of the compound insect eye, having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it evolved independently of the vertebrate eye.
                    
                
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                Ahaving hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it
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                Bhaving hundreds of miniature eyes that are called ommatidia, helps explain why scientists have assumed that they
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                Cwith its hundreds of miniature eyes that are called ommatidia,helps explain scientists' assuming that they
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                Dwith its hundreds of miniature eyes called ommatidia, help explain scientists' assuming that it
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                Ewith its hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it
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