Water in cells;
Too Much Water in Plants - Plants adapt to different water levels, too much means that the contents of the cells push against the cell (this is turgor pressure),it helps support the cell,the cell is turgid.
Too little water in Plants - Plant cells become flaccid, as they lose their turgor pressure, Can also become plasmolysed.
Too much water in Animal cells - Animal cells don't have cell walls and therefore when they absorb too much water they burst (Which is called Lysis).
Too Little Water in Animals - The cell shrivels up (Which is called a crenation)
Animal cells keep the water in their cells constant to avoid the extremes but plant cells are more tolerant because of their cell wall.
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