Answer:
Breaks them into their simplest form. Glucose, amino acids, and fatty acids. 
Explanation:
They have to be broken down into these forms to be absorbed into the bloodstream. 
 
        
             
        
        
        
Precipitation( condensation), evaporation 
please vote my answer brainliest. thanks!
        
             
        
        
        
Upwelling  is a process in which cold water from depths arise to the surface,
it's important because :
- It bring a lot of nutrients to the surface of the ocean
- It maintain the temperature of the ocean
hope this helps
        
             
        
        
        
Density dependent would be the answer
        
                    
             
        
        
        
Food chain-  is a diagram that shows how food energy moves from one organism to another in an environment. It begins with the plant life and ends with animal life. Plants get eaten by animals  and animals eat other animals.