Explanation:
Simple Diffusion across the Cell (Plasma) Membrane The structure of the lipid bilayer allows only small, non-polar substances such as oxygen and carbon dioxide to pass through the cell membrane, down their concentration gradient, by simple diffusion.
Is there a picture to go with this?
The process is called translation. Hope this helps!
Answer: Snails have soft bodies and are protected by shells, which are the characteristics of gastropods mollusks.
