His phenotype should be wet earwax
        
             
        
        
        
Eye spot allows to some protists to detect light. eye spot receiving light stimuli. eyespot which is a light sensitive organelle, which helps the chlamydomonas to swim toward the light. eyespot is also called the stigma. the eyespot is similar to an eye of human. it helps organisms pick up light waves to help the organisms live and function.
 
        
             
        
        
        
The answer is A. amino acids. Hope this helps!!!