Biology A (Salters-Nuffield) A-Level
Homeostasis
What Homeostasis means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Homeostasis
Check what you remember
Read the wording for your board, then hide it and explain Homeostasis in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
The maintenance of a stable internal environment around a set point despite external changes.
Topics that use Homeostasis
- Topic 7: Run for your Life (Pearson Edexcel A-Level)
Related terms
- Aerobic respiration
- ATPase
- Biocompatibility
- Carbon dioxide production
- Cellular respiration pathways
- Chemiosmosis
- Coenzymes in respiration
- Electrocardiograms (ECGs)
Using Homeostasis 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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