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spin [16.1K]
3 years ago
13

The fossil record shows life originated on Earth at least 3.5 billion years ago and consisted entirely of microorganisms. Paleon

tologists provide the strongest evidence of this conclusion through the discovery of:______.
Biology
1 answer:
klio [65]3 years ago
3 0

Answer:

stromatolites

Explanation:

Stromatolites or stromatoliths are layered mounds, columns, and sheet-like sedimentary rocks that were originally formed by the growth of layer upon layer of cyanobacteria, a single-celled photosynthesizing microbe. Fossilized stromatolites provide records of ancient life on Earth.

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