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Plant barriers and chemical defences

Plant barriers and chemical defences

Labelled schematic of a waxy leaf cuticle, a cellulose cell wall, and plant chemical defences deterring pathogens and pests A pathogen is a microorganism that causes disease, while a pest is an organism that damages another organism, such as an insect eating leaves. Plants cannot move away from danger, so they rely on built-in barriers and chemical defences.

Plant defences and the human immune system Lesson

  1. GCSE
  2. /Biology
  3. /Plant defences and the human immune system