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The first forms of life on Earth are thought to have been microorganisms that existed for billions of years in the ocean before plants and animals appeared.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 against

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Is it true that the first forms of life on Earth are thought to have been microorganisms that existed for billions of years in the ocean before plants and animals appeared?

Yes. Scientific evidence supports the claim that microorganisms were the earliest forms of life on Earth, existing for billions of years in ancient aquatic environments before the appearance of plants and animals.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked

Evidence for · 2
What the earliest evidence for life tells us about the early evolution of the biosphere.
2025
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F, W. (2025). What the earliest evidence for life tells us about the early evolution of the biosphere.. doi.org. https://doi.org/10.1098/rstb.2024.0106

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More for · 1
Microbial Evolution and Systematics: Archaea and Bacteria.
2026
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H, A. (2026). Microbial Evolution and Systematics: Archaea and Bacteria.. doi.org. https://doi.org/10.1007/978-3-032-11438-9_1

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