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Questions and Answers
What is the estimated age of the universe?
What is the estimated age of the universe?
- 4.6 billion years (correct)
- 5.5 billion years
- 3.5 billion years
- 2.5 billion years
What was the common ancestor of all life forms on Earth?
What was the common ancestor of all life forms on Earth?
- Aerobic
- Prokaryotic (correct)
- Eukaryotic
- Multicellular
What type of cell must the ancestral cell have been, considering the scarcity of oxygen on the early Earth?
What type of cell must the ancestral cell have been, considering the scarcity of oxygen on the early Earth?
- Aerobic
- Eukaryotic
- Anaerobic (correct)
- Multicellular
What does 'anaerobic' mean?
What does 'anaerobic' mean?
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What is the focus of the lesson objectives mentioned in the text?
What is the focus of the lesson objectives mentioned in the text?
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What is the estimated age of the universe?
What is the estimated age of the universe?
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What was the common ancestor of all life forms on Earth?
What was the common ancestor of all life forms on Earth?
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What does 'anaerobic' mean?
What does 'anaerobic' mean?
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What did the scarcity of oxygen on the early Earth imply about the ancestral cell?
What did the scarcity of oxygen on the early Earth imply about the ancestral cell?
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What is the focus of the lesson objectives mentioned in the text?
What is the focus of the lesson objectives mentioned in the text?
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