The correct answer is 
B. bases in DNA in the nucleus
 
        
             
        
        
        
Centrioles is the organelle.
        
             
        
        
        
The answer is lette r B observing organism that occupy 
 
        
             
        
        
        
A rabbit is a consumer because it gets its energy from eating other living organisms. A fungus is a decomposer because it gets its energy from breaking down the material of dead organisms or their products.