Quotation by
Richard Dawkins
For the first half of geological time our ancestors were bacteria. Most creatures still are bacteria, and each one of our trillions of cells is a colony of bacteria.
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Understanding this quote AI Analysis
For a very long period in Earth's history, the earliest life forms that eventually led to humans were simple bacteria. Even now, bacteria make up most living things, and our bodies are made up of countless bacterial cells living together with our own.
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