Question

Who is first living organ on the earth?​

Answer 1

Stromatolites, like those found in the World Heritage Area of Shark Bay, Western Australia, may contain cyanobacteria, which were most likely Earth's first photosynthetic organisms. The earliest evidence for life on Earth arises among the oldest rocks still preserved on the planet.

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Answer 2

The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old. The signals consisted of a type of carbon molecule that is produced by living things.