‘It’s a dolphin!’: Researchers uncover unusual ancient fossil in the Amazon

Source: krdo.com krdo.com

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By Ashley Strickland, CNN (CNN) — Earth’s oceans are teeming with a multitude of life — and mysteries. To better understand the ocean floor, enterprising marine scientists decided to affix tags equipped with cameras to tiger sharks that patrol the shallow tropical seas of the Bahamas. Thanks to data collected by these apex predators, researchers revealed the world’s largest known seagrass ecosystem, which covers an area of about 35,000 square miles (92,000 square kilometers), according to a 2022 study. Seagrasses can store massive amounts of carbon that could be a crucial tool to help mitigate the climate crisis, marine biologist...