Outdated plugins can cause disruption
        
             
        
        
        
The answer is A. skeletal system
        
                    
             
        
        
        
Selective pressures created by environmental factors can lead to success of <span>mutual individuals.  So it is D</span>
        
                    
             
        
        
        
Answer:
1) Oxygen, sugar, water and carbon dioxide are the main starting material and products of both photosynthesis and cellular respiration.
2) The diagram shows that cellular respiration which requires oxygen and sugar is the opposite of photosynthesis which requires water and carbon dioxide. The products of cellular respiration are the starting materials or photosynthesis and the products of photosynthesis are the starting materials for cellular respiration.