Biology GCSE
fractions and percentages
What fractions and percentages means in Biology GCSE, as defined for OCR.
Definition of fractions and percentages
Check what you remember
Read the wording for your board, then hide it and explain fractions and percentages in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Used to model energy transfers, nutrient cycles and community structures, converting fractional proportions into percentages and decimals to evaluate ecological efficiency.
Topics that use fractions and percentages
- Ecosystems (OCR GCSE)
Related terms
- abiotic and biotic components
- abiotic factors
- aerobic and anaerobic decomposition
- biotic factors
- carbon cycle
- carrying capacity
- Cellular respiration
- community distribution
Using fractions and percentages in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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