Answer:
A tadpole is the larval stage in the life cycle of an amphibian. Where as a froglet is a semi metamorphosed Tadpole. A froglet is still in the process of becoming a frog, through tice the froglet will slowly metamorphoses futher to its adult and final stage. 
Explanation:
 
        
             
        
        
        
Explanation:
As I think vector is the correct one.
 
        
             
        
        
        
Organisms need nutrients in order to living organism