ijal586 ijal586
  • 03-10-2017
  • Biology
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2 theories together account for color vision. the young-helmholtz theory shows that the eye contains __________, and the hering theory accounts for the nervous system's having ______________.

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tartnaomi
tartnaomi tartnaomi
  • 03-10-2017
Three types of color receptors and opponent- process cells  
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