all of the above can be considered ecosystems
 
        
                    
             
        
        
        
Person because people have genes<span />
        
                    
             
        
        
        
transporación significa sudar
        
                    
             
        
        
        
Answer:
A mutation that cause changes to short stretches of nucleotides. These mutations affect the specific genes that provide instructions for various functional molecules, including protein . changes in these molecules can have impact on any number of an organism's physical characteristics