The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.
        
                    
             
        
        
        
Answer: True
Explanation:
Sustainable practices refer to the practices, services, and guidelines that are developed in order to protect ourselves within our environment.
Sustainable practices support human, ecological, economic and human health. With sustainability, it's agreed that there are finite resources and they should be used conservatively and maintained for future generations. 
The statement is true.
 
        
             
        
        
        
The appropriate response is population ecologist, it is the investigation of these and different inquiries regarding what components influence populace and how and why a populace changes after some time. Populace environment has its most profound recorded roots, and its wealthiest improvement, in the investigation of populace development, control, and flow, or demography. While Entomologist studies insects and a conservationist acts to protect and preserve the environment/wildlife
        
             
        
        
        
A. <span>They are sense organs that are part of the central nervous system.</span>