Relationships of organisms with one another and with the environment · Cambridge O Level 5090
19.1 Energy flow
19.1 Energy flow appeared in 6 of the 6 years from 2020–2025, worth 204 marks across 48 questions — about 4.25 marks each.
Based on 84 real Cambridge past papers, 2020–2025.
Questions per year
How many Biology questions tagged to this topic appeared each year.
- 202010
- 20219
- 20224
- 20236
- 20247
- 202512
Appearance history
- Most recent
- 2025
- First in range
- 2020
- Years since last
- 0
- Longest gap
- 0 years
Historical occurrence only — not an exam prediction.
Related topics
Topics that most often share a question with this one.
Practise this topic
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