The answer is A- thylakoids
        
             
        
        
        
The answer is B . 
Biotic factor refers to living things .
        
                    
             
        
        
        
<span>
Dendrite, axon, and cell body are the major parts of neurons. </span>
        
             
        
        
        
Answer:
Lower
Explanation:
they have experience in there breath rate they've probably been doing it for a minute. while on the other hand someone who is not used to working out has a hard time getting there breath back and are breathing heavily
 
        
                    
             
        
        
        
Answer:
Vestigial structures
Explanation:
Vestigial structuresserve little or no present purpose for an organism. The human tail, which is reduced to the tailbone during development, is one example.