Answer:
C
Explanation:
its c because it had cells that need them
 
        
                    
             
        
        
        
Beyond durability, cockroaches are built to play defense. They have an exoskeleton to protect their soft bodies, and will hide whenever they're in the process of molting their exoskeleton. The exoskeleton is not only rigid but flexible to allow the roach to crawl into tiny crevices. Their legs are built for running
 
        
             
        
        
        
Answer:
D
Explanation:
it just is i  dont know y i just know it is D
 
        
                    
             
        
        
        
Answer:
Well there are many ways for scientific models to be use like if something was small and you couldn't see it u would have to make a model of that 
Explanation:
If this didn't help I'm sorry 
 
        
             
        
        
        
Answer:
Carbon dioxide 
Explanation:. Carbon dioxide enters through tiny holes in a plant's leaves, flowers, branches, stems, and roots. Plants also require water to make their food.