GCSE Biology – Decomposition

Last updated: 02/07/2020

Learning Objectives

-I can describe the actions of saprophytic fungi in decomposition

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  1. Current
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  1. What is the rate of decay?

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  2. What is rate of decay affected by?

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  3. What is anaerobic decay?

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  4. When does anaerobic decay occur?

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  5. What do we call bacteria and fungi that cause decay?

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  6. What is decomposition?

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  7. What is the common name for decomposition?

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  8. What organisms help decomposition?

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  9. What is decomposition important for?

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  10. If decomposers are killed, what happens to rate of decomposition?

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  11. What does a high temperature cause?

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  12. What happens at extremely high temperatures?

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  13. What does a high oxygen level cause?

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  14. What does a low oxygen level cause?

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  15. What do decomposers do with water?

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  16. What does a low water level cause?

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  17. Why does decomposition increase as temperature increases?

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  18. Why do decomposers need high oxygen levels?

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  19. Why does low water level cause less decomposition?

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  20. What do gardeners use to improve the quality of their soil?

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  21. What else can farmers use in soil?

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  22. What is compost made from?

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  23. What is manure made from?

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  24. What does compost help to do?

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  25. What happens to compost and manure?

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