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1. Why is pond weed important for ponds? This question is part of some photosynthesis homework. Thanks.
2. In biology what is a consumer in a food chain ? Please could you give me a definition?
3. What is ecology?
4. What is ecology?
5. Why do carnivorous plants need to digest insects if they photosynthesise like normal plants?
6. any info on food chains please i have a mock GCSE exam in 3 days.
7. Why do plants need nitrates, phosphates and pottassium? What are the effects when they dont have enough?
8. could you please explain the nitrogen cycle thanx
9. Fibre contains energy. explain why this energy can not be used by the human body.
10. Can you give me a food chain for a garden