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prolocutor    
n. 议长,代辩者



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  • IPCC — Intergovernmental Panel on Climate Change
    IPCC — Intergovernmental Panel on Climate Change
  • What is extinction? The answer is complicated. | National . . .
    Dozens of new species go extinct every day, and scientists say that more than 20,000 plants and animals are on the brink of disappearing forever A quarter of known mammal species is at risk of
  • HuffPost - Breaking News, U. S. and World News | HuffPost
    We would like to show you a description here but the site won’t allow us
  • Endangered Ocean: Sea Turtles | Ocean Today
    Did you know that sea turtles have been living on planet Earth since the time of the dinosaurs? - around 110 million years There are seven different species of sea turtles, six of which -- green, hawksbill, Kemp's ridley, leatherback, loggerhead, and the olive ridley can be found throughout the ocean - in both warm and cool waters
  • Scientists weighed all life on Earth. It’s mind-boggling. | Vox
    As a sweeping recent study in the Proceedings of the National Academy of Sciences finds, in a census sorting all the life on Earth by weight (measured in gigatons of carbon, the signature element
  • Beetle - Wikipedia
    The Coleoptera, with about 400,000 described species, is the largest of all orders, constituting almost 40% of described arthropods and 25% of all known animal species; [2] new species are discovered frequently, with estimates suggesting that there are between 0 9 and 2 1 million total species However, the number of beetle species is
  • Timeline of Human Evolution | Institute of Human Origins
    The top section, "Changing Ancestral Species," includes images of skulls and full skeletons example species of the following horizontally across the timeline: Basal hominins 7–4 3 million years ago Generalized australopiths 4 3–1 98 million years ago Early Homo 2 8–1 65 million years ago Robust australopiths 2 7–1 0 million years ago





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