Diffusion is one form of passive transport that doesn't require the expenditure of cellular energy. A molecule can diffuse passively through the cell membrane if it's lipid-soluble, uncharged, and very small, or if a carrier molecule can assist it. ... The assisted process is known as facilitated diffusion.
Got this off google but still hope it helps :)
Answer:
B. Octopus
Explanation:
Because octopus lack bone structure allowing it to maneuver easier and fit in tight spaces
Answer:
food water and shelter I'm not sure but I think so
