Answer:
<u>C</u>
Explanation:
The reason why there are more hares than foxes in the ecosystem is because if only 10% of the energy gets passed on to the next trophic level, then you need to have more lower level animals available to supports the animals higher up the food chain. The fox must eat several hares to gain enough energy for growth and development.
 
        
                    
             
        
        
        
DNA helicase uncoils the DNA strand and prepares it for replication.
DNA polymerase synthesizes DNA and helps build more strands.
DNA ligase connects two strands of DNA together.
 
        
             
        
        
        
The abiotic factor is the amount of oxygen. Abiotic means non-living, and all the other answer choices reference living things.  
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