Which kind of organism would be most likely to perform photosynthesis? 

• Autotroph organism would be most likely to perform photosynthesis.
• The process through which an organism transforms light energy into biochemical energy that is utilized to produce food is known as photosynthesis. 
• The term "autotroph" refers to a creature that produces its own nourishment through mechanisms like photosynthesis. 
• Omnivores are creatures that can consume both plants and animals as sustenance. 
• Plants are the only source of food for herbivores, whereas detritivores creatures eat debris.

Hence, option D is the correct answer.