Answer:
d.
Explanation:
Your body uses two types of molecules for storing energy, the carbohydrates are the main type and its used for short term storage, and for immediate use by the body. And the lipids or fats, are used for long term storage in the body, because they can store more energy in the same volume than a carbohydrate. 
 
        
             
        
        
        
Answer:
the right answer is
tRNA bonds with mRNA, bringing in amino acids.
Explanation:
 
        
             
        
        
        
The answer is the digestive system! 
the digestive system of the urchin is the largest.
        
             
        
        
        
Nonnative species often lack natural controls found in their native habitat.
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