3.3.2 Plant defence responses
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Why plants need defences

Why plants need defences

Labelled summary of a plant showing physical defences, chemical defences and mechanical adaptations with examples and the threats they reduce

Plants cannot move away from pathogens or herbivores, so they rely on defence responses to survive. In GCSE Biology, these are grouped into physical defences, chemical defences, and mechanical adaptations.

3.3.2 Plant defence responses Lesson

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