Combined Science GCSE
Decay and preservation
What Decay and preservation means in Combined Science GCSE, as defined for AQA.
Definition of Decay and preservation
Check what you remember
Read the wording for your board, then hide it and explain Decay and preservation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Soft-bodied organisms decay quickly and lack hard parts, so they fossilise far less often than organisms with shells or skeletons.
Topics that use Decay and preservation
- Fossils (AQA GCSE)
Related terms
- Behaviour recorded by traces
- Common ancestry
- Comparing fossil and living structures
- Evidence for relationships between organisms
- Extinction
- Fossils
- Incomplete fossil record
- Preservation and decay
Using Decay and preservation in the exam
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