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What is a chemical defence?

What is a chemical defence?

A chemical plant defence is a substance made by a plant that attacks a pathogen or makes the plant unpleasant or dangerous to eat. This differs from a physical defence, such as a thorn or thick cuticle, which mainly prevents an organism from entering.

6.3.6 Chemical plant defence responses Lesson

  1. GCSE
  2. /Biology
  3. /6.3.6 Chemical plant defence responses

Step-by-step lessons on OCR GCSE Biology 6.3.6 Chemical plant defence responses. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons