Edexcel International GCSE Biology
Edexcel International GCSE Biology Feeding Relationships Exam Questions
Free Edexcel International GCSE Biology exam questions on Feeding Relationships, with mark schemes. Covers food chains, food webs, trophic levels, pyramids and energy transfer.
Feeding Relationships exam questions
These packs of real past exam questions cover the whole of Section 4: Ecology and the Environment, including Feeding Relationships. Work through every question on this sub-topic, then mark your answers against the mark scheme.
StemUp mark scheme flashcards
Edexcel IGCSE Biology 4BI1 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About Edexcel International GCSE Biology Feeding Relationships
This sub-topic covers how energy flows through ecosystems.
What you need to know
- Food chains and webs Producers and consumers.
- Pyramids Numbers, biomass and energy.
- Energy transfer Efficiency and losses at each level.
Common mistakes in Feeding Relationships
- Arrows pointing the wrong way.
- Forgetting energy losses as heat.
Try two Feeding Relationships exam-style questions
1. Explain why food chains rarely have more than five levels. (2 marks)
Show the mark scheme answer
Energy is lost at each level (1) through respiration and heat, so too little remains (1).
2. Name the trophic level of a herbivore. (1 mark)
Show the mark scheme answer
Primary consumer.
Feeding Relationships FAQs
What does this cover?
Food chains, webs, pyramids and energy transfer.
What is a decomposer?
An organism that breaks down dead matter.
Revise this topic with flashcards: Edexcel IGCSE Biology 4BI1 Flashcards, with mark scheme answers for Anki and Quizlet.
