Figure shows two models that scientists have used to classify living organisms.
Figure: Two models used to classify living organisms

Give the name of the scientist who proposed Model 2.
Describe one difference between Model 1 and Model 2 in the way that organisms without a nucleus are classified.
Give one type of evidence that led scientists to change from Model 1 to Model 2.
Organisms in the domain Archaea often live in extreme conditions. Give one example of an extreme condition.
40 exam-style questions on AQA GCSE Biology 6.4 Classification of living organisms, covering 6.4 Classification of living organisms. Each one has a worked solution and a mark scheme showing where the marks go.