The 10 Oldest Fossils, and What They Say About Evolution

The video explores the challenges in identifying the first fossils of various life forms due to the patchy fossil record and evolutionary complexities. It discusses the oldest known fossils, including stromatolites, early vertebrates, crustaceans, land plants, jawed fish, insects, tetrapods, reptiles, mammals, and birds. The video highlights the ongoing scientific debates and the gradual nature of evolution, emphasizing the difficulty in pinpointing the exact first of any species.

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