Respuesta :
					                   Selective pressures created by environmental factors can lead to success of mutan individuals.  So it is D
					                
					                
					             Answer:
D. mutant
Explanation:
Mutant individuals, or those that carry genetic abnormalities, often supply the variety that is necessary to survival of a population. It is the variation in genetic code which gives some individuals a unique advantage - larger capacities, ability to resist disease, etc.
(From USATestprep)
 
			                   
					                  