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Sauropods like Brachiosaurus and Diplodocus were the biggest beasts to ever roam the Earth. And these dinosaurs had enormously long necks. Which poses an anatomical problem: they needed to move their necks side to side and up and down to graze, but t
发表于:2019-01-08 / 阅读(42) / 评论(0)
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Like sea turtles who from the moment they hatch they are on their own. For predators, hatching time is a veritable feast. Even so, the strategy works. Carnivores gulp down virtually every hatchling, but a few do make it, not even the most voracious f
发表于:2019-01-23 / 阅读(35) / 评论(0)
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