Homeostasis is best described as

  1. maintaining a constant internal environment
  2. making hormones
  3. producing urine
  4. responding to external stimuli only
Answer

A) maintaining a constant internal environment

Definition. AS & A Level Biology · Topic 14 Homeostasis · 14.1 Homeostasis in mammals

Biology MCQ · More A Level Biology: Homeostasis MCQs · Practise