Answer:
A woman that has many kids 
 
        
             
        
        
        
Cells with large numbers of mitochondria have a high energy demand
        
                    
             
        
        
        
Answer:
The answer is natural selection.
Explanation:
Natural selection will make an organism to survive and reproduce because, it will be better suited to the environment.
This is the reason why natural selection is considered as a key mechanism of the evolution.
 
        
             
        
        
        
A) Mitochondria - because they are double membraned and the inner one is highly folded into 'cristae' 
        
             
        
        
        
Answer:
B; primary consumers are the ones who eats the producers