Biology GCSE
Evidence and bias
What Evidence and bias means in Biology GCSE, as defined for AQA.
Definition of Evidence and bias
Check what you remember
Read the wording for your board, then hide it and explain Evidence and bias in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The fossils we do find are biased towards organisms with hard parts, so a soft-bodied worm is far less likely to leave a fossil than a shelled mollusc living at the same time.
Topics that use Evidence and bias
- Fossils (AQA GCSE)
Related terms
- Change over geological time
- Common ancestry
- Comparing fossil and living structures
- Conditions for decay
- Data handling skills
- Decay and preservation
- Evidence for evolution
- Geological processes
Using Evidence and bias in the exam
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