How are osmosis and diffusion alike?

Answer 1

Osmosis and diffusion are alike, as osmosis is a special kind of diffusion.

Diffusion:

Diffusion is the process of where a substance moves from an area of high concentration to an area of lower concentration. Diffusion doesn’t need a membrane.

Osmosis:

Whereas, osmosis is a special kind of diffusion in which water moves through a selectively permeable membrane from an area of high concentration to an area of low concentration.

Here is a video which describes how osmosis impacts onion cells placed into tap water and then into a salt water solution.

Hope this helps!

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Answer 2

Madeline Andrews

Osmosis and diffusion are alike in that they both involve the movement of molecules from an area of high concentration to an area of low concentration, and they both occur spontaneously without the input of external energy.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.