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Osmosis is the movement of water across a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration. Osmosis helps regulate the flow of water in and out of cells, which is crucial to their function.

This video explains how to solve algebraic fractions.

We can analyse the arrows in a food web to identify producers, primary consumers, secondary consumers, and decomposers.

We can analyse the arrows in a food web to identify producers, primary consumers, secondary consumers, and decomposers.