I thinking like its 2,4,5
 
        
             
        
        
        
Answer:
having a genetically diverse population make a species more likely to survive a change to the enviroment because random mutations can occur in a species and if a sudden change in the environment were to occur like extreme heat for example, some of the mutations in their DNA may help them survive this extreme heat and the species will be more likely to survive
 
        
             
        
        
        
I think it’s proteins and nucleic acids
        
             
        
        
        
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 
 
        
                    
             
        
        
        
<span>It is separated from the external ear by the
eardrum.</span>