Proteins. 
These four carbon-based molecules are necessary for building an organism.
Relationship:
Carbohydrates and Lipids-Energy storage
Nucleic Acids - Proteins -- Blueprint - Building blocks
        
             
        
        
        
It spread by person to person
        
                    
             
        
        
        
The aorta carries oxygenated blood from the right ventricle to the rest of the body for energy and metabolism.
        
             
        
        
        
Answer:
Explanation:
Resource partitioning is the division of limited resources by species to help avoid competition in an ecological niche.