Key term for Edexcel GCSE Biology, used in Pollution and Decay.
A membrane that allows small molecules (like water) to pass through, but prevents the passage of larger molecules.
Partially permeable membrane appears in Edexcel GCSE Biology revision content for Ecosystems and Material Cycles, especially Pollution and Decay and Decomposition in Food Preservation.
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Exchange and Transport in Animals
Exchange Surfaces • Transport Needs
