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Animal origins may be 200 million years earlier, study suggests

Original: After using a technique called molecular clock analysis, researchers have proposed that the origin of animals could be 2

Researchers using molecular clock analysis, which estimates evolutionary timelines from genetic mutations, have proposed that animals may have originated roughly 200 million years earlier than the fossil record previously indicated. The finding, reported by Live Science, is drawing attention for potentially rewriting a key chapter in the history of life on Earth, as it pushes animal emergence far deeper into geological time than established views.

Why now: The study challenges long-accepted timelines for the origin of animals, prompting discussion among science audiences.

Live Sciencemolecular clock analysis

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Evidence

• After using a technique called molecular clock analysis, researchers have proposed that the origin of animals could be 200 million years earlier than thought. https://www. livescience.com/planet-earth/e… · fionnbharr · 8

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