Endocytosis is a cellular process in which substances are brought into the cell. The material to be internalized is surrounded by an area of cell membrane, which then buds off inside the cell to form a vesicle containing the ingested material.
        
             
        
        
        
B)Facilitated diffusion is a form of active transport. Regular diffusion is a form of passive transport.
        
                    
             
        
        
        
Superior vena cava- upper body inferior vena cava
lower body- bother drain into the right atrium
        
             
        
        
        
Answer:
Antelopes and Squirrels depend on grass (a food resource), and in turn the predators (hawks, mountain lions, coyotes) depend on the herbivores.  
Explanation:
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