Diffusion: Oxygen moves into muscle cells, Carbon dioxide enters leaf cells to do photosynthesis, Food coloring spreads throughout a beaker, The odor of perfume spreads across a room, Osmosis: Carrot swells in a beaker of fresh water, Water diffuses out of skin cells, Diffusion of water across a cell membrane, A raisin swells in a beaker of water, Both: Passive Transport, No energy required, Movement of molecules from high concentration to low concentration, Movement down a concentration gradient,

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