Explanation:
i think the answer is compounds
 
        
             
        
        
        
Answer:
C.
Explanation:
Food chains focus on one set of organisms and their predators/prey, while food webs show multiple for each. Hope this helps. :)
 
        
             
        
        
        
Answer:
D
Explanation:
Co-dominance is when both alleles combine to form an intermediate phenotype. It's like crossing a red and white flower and getting a pink flower.