Biology A-Level
independent and dependent variables
What independent and dependent variables means in Biology A-Level, as defined for AQA.
Definition of independent and dependent variables
Check what you remember
Read the wording for your board, then hide it and explain independent and dependent variables in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The environmental condition is the independent variable; the number of animals per compartment, or time taken in a maze, is the dependent variable.
Topics that use independent and dependent variables
- Survival and response (A-level only) (AQA A-Level)
Related terms
- Chi-squared (χ²) test
- Controlled variables
- favourable environment
- indoleacetic acid
- meristems
- phototropism and gravitropism
- plant growth factors
- receptor specificity
Using independent and dependent variables 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.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge