B)Facilitated diffusion is a form of active transport. Regular diffusion is a form of passive transport.
A.the adaptation they made will help them because they think when a shadow goes over them they would think its a predator so they just stop moving to avoid being eaten.
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Answer: D. Keratin
Explanation: Keratinocytes (pronounced: ker-uh-TIH-no-sites) make keratin, a type of protein that's a basic component of hair, skin, and nails. Keratin in the skin's outer layer helps create a protective barrier.
#6 is A. They are all composed of one or more cells.