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Over the next few billion years, single-celled organisms fused and became multicellular; body plans diversified and radiated, exploding into an array of invertebrates. Yet all this abundance and life was restricted to the seas, and a vast and bountiful land sat unused. Around 530 million years ago, there is evidence that centipede-like animals began to explore the world above water. Somewhere around 430 million years ago, plants and colonized the bare earth, creating a land rich in food and resources, while fish evolved from ancestral vertebrates in the sea. It was another 30 million years before those prehistoric fish crawled out of the water and began the evolutionary lineage we sit atop today.
ALL LIFE CAME FROM THE SEA..
https://blogs.scientificamerican.com/science-sushi/evolution-out-of-the-sea/#
ALL LIFE CAME FROM THE SEA..
https://blogs.scientificamerican.com/science-sushi/evolution-out-of-the-sea/#