A lizard controls its body temperature by moving into sunlight when it is cold and into shade when it is hot. A mammal controls its body temperature using an automatic control system. Which is a feature of the mammal's control system but not of the lizard's behaviour?
The response takes place without the animal choosing to act
A receptor detects the change in the temperature of the body
The response returns the body temperature towards an optimum
The change in temperature is caused by the outside environment
40 exam-style questions on AQA GCSE Biology 5.1 Homeostasis, covering 5.1 Homeostasis. Each one has a worked solution and a mark scheme showing where the marks go.