Key term for Edexcel GCSE Biology, used in Plant Defences.
An external layer of dead cells around the stems of woody plants that acts as a thick, reinforced physical barrier.
Bark appears in Edexcel GCSE Biology revision content for Health, Disease and Medicines, especially Plant Defences and Physical Barriers in Plants.
Create a free account to access Edexcel GCSE Biology revision notes, track progress, and practise related key terms.
