Answer:
sports such as running would require energy and oxygen 
Explanation:
 
        
                    
             
        
        
        
The Answer Is On This Link https://technet.microsoft.com/en-us/library/cc961723.aspx 
        
             
        
        
        
Having the haploid number of chromosomes allows the zygote to have the correct number. If gametes weren't haploid, every generation of organisms would have twice as many chromosomes as their parents. I hope my answer has come to your help. God bless and have a nice day ahead!