It would be Isomers!!!!! Hoped this helped you out.
 
        
             
        
        
        
Insects has a broad range of species and they are able to easily adapt according to their surroundings, hence increasing their survivability rate
        
             
        
        
        
B, osmosis is the movement of water across a semi-permeable membrane according to the gradient of concentration. The water moves to were the concentration of  solute is higher, that way the solute concentration is equalized.
        
                    
             
        
        
        
It is distinctive, widespread, abundant and limited in geologic time. Because most fossil<span>-bearing rocks formed in the ocean, the major </span>index fossils<span> are marine organisms. That being said, certain land organisms are useful in young rocks and in specific regions.</span>