# Explain why the recycling of materials is important for life on Earth to continue.

> Eduqas GCSE Biology — 6.2 The principle of material cycling · Explain · 4 marks

## Mark scheme (4 marks)

1. Elements/materials are used by living organisms
2. The supply of elements/materials on Earth is finite/limited
3. Materials must be returned to the environment / released when organisms die or decay
4. So that the materials can be used again by other/new organisms

## Related

- [Revision notes for Eduqas GCSE Biology](https://www.gradenine.co.uk/learn)
- [How to answer "Explain" questions](https://www.gradenine.co.uk/tools/command-word-cheatsheet)
- [Practice this with AI marking (free)](https://www.gradenine.co.uk/start)

---
Source: [GradeNine](https://www.gradenine.co.uk/q/explain-why-the-recycling-of-materials-5283526c) · Published by Druglandscape Ltd.