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Like the dinosaurs themselves, giant marine reptiles, invertebrates and microscopic organisms became extinct after a catastrophic asteroid impact in an immense upheaval of the world's oceans 65m years ago, yet deep sea creatures managed to survive. A new study provides strong evidence suggesting that some forms of algae and bacteria were actually living in the aftermath of the asteroid disaster, and that they acted as a constant, sinking, slow trickle of food for creatures living near the seafloor. [Source: Cardiff University]
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