Is this a multiple choice question if so can you please type them down
        
                    
             
        
        
        
Answer:
Coral ecosystems are a source of food for millions; protect coastlines from storms and erosion; provide habitat, spawning and nursery grounds for economically important fish species; provide jobs and income to local economies from fishing, recreation, and tourism; are a source of new medicines
Explanation:
 
        
                    
             
        
        
        
The gland that controls formation would be testes.
 
        
                    
             
        
        
        
"Human height is determined by several genes located on different chromosomes" is the one among the following choices given in the question that <span>is an example of a polygenic trait. The correct option among all the options that are given in the question is the fourth option or option "D". I hope it helps you.</span>