Biology A-Level
Independent, dependent and controlled variables
What Independent, dependent and controlled variables means in Biology A-Level, as defined for OCR.
Definition of Independent, dependent and controlled variables
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Read the wording for your board, then hide it and explain Independent, dependent and controlled variables in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Varying one factor at a time while holding others constant, and stating which variable is independent, which is dependent and which are controlled.
Topics that use Independent, dependent and controlled variables
- Respiration (OCR A-Level)
Related terms
- Acetyl coenzyme A
- Active transport and maintenance of gradients
- Anabolic reactions and biosynthesis
- ATP as the universal energy currency
- ATP synthase
- Coenzymes
- Controlled stepwise release of energy
- Controlled variables
Using Independent, dependent and controlled variables in the exam
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