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Scientists believe that the first life on Earth was primitive anaerobic bacteria which first appeared billions of years ago - AQA - GCSE Biology Combined Science - Question 6 - 2020 - Paper 2
Question 6
Scientists believe that the first life on Earth was primitive anaerobic bacteria which first appeared billions of years ago. Which domain of the three-domain classi... show full transcript
Worked Solution & Example Answer:Scientists believe that the first life on Earth was primitive anaerobic bacteria which first appeared billions of years ago - AQA - GCSE Biology Combined Science - Question 6 - 2020 - Paper 2
Step 1
Which domain of the three-domain classification system do these primitive anaerobic bacteria belong to?
Answer
These primitive anaerobic bacteria belong to the domain Archaea. They are characterized by their ability to survive in extreme environments and are distinct from bacteria and eukaryotes.