P3H4O1T1O1R1E1C3E1P3T1I1O1N1S1
24 points
PHOTORECEPTIONS is validvalid
PHOTORECEPTION, [n]
PHOTORECEPTION, the perception of waves in the range of visible light [n]
PHOTORECEPTION, [n]
PHOTORECEPTION, the perception of waves in the range of visible light [n]