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The unity of life from "summary" of The Magic of Reality by Richard Dawkins
Life on Earth is an astonishing phenomenon that has evolved into an incredible diversity of forms over billions of years. Despite this diversity, all living things share a fundamental unity. The unity of life is a concept that highlights the similarities and connectedness between all living organisms, from the simplest single-celled organisms to the most complex multicellular creatures. At the heart of the unity of life is the idea that all living things are related through a common ancestry. This means that every living organism on Earth is descended from a common ancestor that lived billions of years ago. Through the process of evolution, this common ancestor gave rise to the incredible diversity of life that we see today. Despite the vast differences in form and function between species, the underlying genetic code that governs life is remarkably similar across all organisms. One of the most powerful pieces of evidence for the unity of life is the universal genetic code. All living organisms use the same basic code of DNA and RNA to store...
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