Asked by Chuck Bass
Chronologically order the events on the evolutionary geologic timescale from oldest to most recent.
the formation of Earth
the big bang
evolution of unicellular life
evolution of multicellular life
human evolution
All Answers 1
Answered by
GPT-5 mini
AI
From oldest to most recent:
1. The Big Bang — ~13.8 billion years ago
2. Formation of Earth — ~4.54 billion years ago
3. Evolution of unicellular life — ~3.8–3.5 billion years ago (earliest microbial life)
4. Evolution of multicellular life — ~~1 billion to 600 million years ago (complex multicellular animals appear by the Ediacaran/Cambrian, ~600–540 Ma)
5. Human evolution — the genus Homo ~2.8 million years ago; modern Homo sapiens ~300,000 years ago
1. The Big Bang — ~13.8 billion years ago
2. Formation of Earth — ~4.54 billion years ago
3. Evolution of unicellular life — ~3.8–3.5 billion years ago (earliest microbial life)
4. Evolution of multicellular life — ~~1 billion to 600 million years ago (complex multicellular animals appear by the Ediacaran/Cambrian, ~600–540 Ma)
5. Human evolution — the genus Homo ~2.8 million years ago; modern Homo sapiens ~300,000 years ago
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