We study sexual anatomy to better understand the process of reproduction in humans. It also can help us better understand how a majority of animals reproduce, and how it can influence ecosystems. I hope this helps, and please mark as Brainliest answer!!
        
             
        
        
        
the answer is pioneer species 
 
        
             
        
        
        
Calcium is few of the main sources for healthy bones, teeth, and muscles. 
        
                    
             
        
        
        
Answer:
carbohydrates- store energy and provide support and help in mating the energy sorted in the body
lipids- surround and protect cells, regulate cell fucntions and the body and the organism.