Gause's Competitive Exclusion Principle
 The 'competitive exclusion principle' (CEP) states that two species with identical niches cannot coexist indefinitely. ... Gause helped propel ecology by his approach of experimentally testing mathematical models, and his unifying the concept of the niche with resource competition.
        
                    
             
        
        
        
Answer:
ressessive
Explanation:
because it is what present by its phenotype
 
        
             
        
        
        
B. photosynthesis uses light energy to convert carbon dioxide and water to glucose and oxygen