IGCSE Marine Science
Food webs and productivity
What's in this topic, and what you can do with it on GCSE.es.
What it covers
- 01Producer
- 02Trophic level
- 03Primary productivity
Exact content varies by board. Pick your board on the subject page.
What you can do
- Learn the key idea in a few minutes
- Check yourself with a short quiz
- Practise exam-style 3–12 mark questions, marked
- Improve — your dashboard updates your next step