Holly leaves have a thick waxy cuticle. Holly leaves also contain chemicals that taste bitter to animals.
Compare how the waxy cuticle and the bitter chemicals protect the holly plant.
Insects that feed on leaves make wounds in them.
Explain why leaves damaged by insects are more likely to be infected by fungi.
45 exam-style questions on Edexcel GCSE Biology 5.2 Plant and body defences, covering 5.2.1 Physical plant defences, 5.2.2 Chemical plant defences, 5.2.3 Detecting plant diseases, and 5.2.4 Human physical and chemical defences. Each one has a worked solution and a mark scheme showing where the marks go.