Biology A-Level
internal environment
What internal environment means in Biology A-Level, as defined for AQA.
Definition of internal environment
Check what you remember
Read the wording for your board, then hide it and explain internal environment in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The blood and the tissue fluid that bathe the cells, including their temperature, pH, water potential and the concentrations of glucose and ions.
Topics that use internal environment
Related terms
- amplification of a change
- corrective response
- degree of control
- Denaturation by temperature and pH change
- insulin and glucagon
- interpreting data
- justifying with figures
- Kinetic energy and collision frequency
Using internal environment 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