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GCSE Biology · key term
Movement of substances between an organism and its environment, or between different parts of an organism.
Used by Edexcel and OCR
Specification 8.1 · Paper 2
Revise: Transport NeedsTransport brings useful substances to cells and carries other substances away. Exchange is the movement of substances across a surface, such as a cell membrane, between an organism and its surroundings.
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
The movement of a substance from one part of an organism to another, or across an exchange surface.
Revise: Transport of SubstancesExchange surfaces bring substances into or remove them from the body, while the blood transports substances between these surfaces and the cells.
When describing a transport need, name the substance, where it moves and why it is needed or must be removed.
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