How do producers get the substances they need? - OCR 21st CenturyVideo

For an organism to function, substances must move into and out of cells. Three processes contribute to this movement - diffusion, osmosis and active transport.

Part ofCombined ScienceLiving together - Food and ecosystems

Dr Alex Lathbridge and Dr Maggie Aderin-Pocock show how to investigate osmosis

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How do producers get the substances they need? - OCR 21st Century

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