Ahypothesis that appears to be supported by experiments may be elevated to a general experiment hypothesis theory inquiry

A hypothesis that appears to be supported by experiments may be elevated to a general theory. When a hypothesis is proven, when it is no longer a mere hypothesis, but there are evidence to prove it, it becomes a theory. 

That is true tge cactus as a structural adaptation to its envirinment has it leaves reduced to spines. but this doesnt mean it cant produce food it produces food because of the presence of chlorophyll in its stem