Answer:
Gas exchange during respiration occurs primarily through diffusion. Gas molecules move from a region of high concentration to a region of low concentration. Blood that is low in oxygen concentration and high in carbon dioxide concentration undergoes gas exchange with air in the lungs.
Explanation:
 
        
             
        
        
        
The answer is Physical Property
 
        
             
        
        
        
Animals don’t need to absorb sunlight in order to live. Only plants have chloroplasts to absorb the rays from the sun which is required for them to live and grow
        
             
        
        
        
The feeding relationship<span> is the interactions that takes place between parent and child as they engage in food selection, ingestion, and regulation behaviors.</span>