Answer:
Other cells.
Explanation:
All cells come from other cells as cells are "produced" when a cell divides into two.
 
        
                    
             
        
        
        
Gametes or sex cells.considered as haploid because they having a single set of impaired chromosomes. 
so letter A,
        
             
        
        
        
<span>D: Viruses
I hope helped ^-^</span>
        
             
        
        
        
Answer:
Food made by plants can get used by plants or by other animals as plants maybe eaten by other organisms that feed on plants by living on them, these organisms are called parasites. Or else the food can be used up by plants to carry out their metabolic activities ( activities at cellular level which keeps the plant alive ) like cellular respiration