Passive Transport: Simple Diffusion. Diffusion across a cell membrane is a type of passive transport, or transport across the cell membrane that does not require energy. ... Molecules that are hydrophobic, just like the hydrophobic region, can pass through the cell membrane by simple diffusion.
the answer is C. decreased variation in tail feather color because no form of the trait is advantageous.
Answer:
I feel like B is the correct answer
Explanation:
B is correct
