tailieunhanh - IELTS Academic Reading Sample 50 - A Neuroscientist Reveals How to Think Differently

Hãy tham khảo IELTS Academic Reading Sample 50 - A Neuroscientist Reveals How to Think Differently để giúp các bạn biết thêm cấu trúc đề thi IELTS như thế nào, rèn luyện kỹ năng giải bài tập và có thêm tư liệu tham khảo chuẩn bị cho kì thi học kì sắp tới đạt điểm tốt hơn. | THE HISTORY OF THE TORTOISE If you go back far enough everything lived in the Walter Joyce and Jacques Gauthier at Yale sea. At various points in evolutionary history University obtained three measurements in these enterprising individuals within many different animal particular bones of 71 species of living turtles and groups moved out onto the land sometimes even to tortoises. They used a kind of triangular graph paper the most parched deserts taking their own private to plot the three measurements against one another. seawater with them in blood and cellular fluids. In All the land tortoise species formed a tight cluster of addition to the reptiles birds mammals and insects points in the upper part of the triangle all the water which we see all around us other groups that have turtles cluster in the lower part of the triangular graph. succeeded out of water include scorpions snails There was no overlap except when they added some crustaceans such as woodlice and land crabs species that spend time both in water and on land. millipedes and centipedes spiders and various Sure enough these amphibious species show up on worms. And we mustn t forget the plants without the triangular graph approximately half way between whose prior invasion of the land none of the other the wet cluster of sea turtles and the dry cluster of migrations could have happened. land tortoises. The next step was to determine where the fossil fell. The bones of P quenstedti and P. Moving from water to land involved a major talampayensis leave us in no doubt. Their points on redesign of every aspect of life including breathing the graph are right in the thick of the dry cluster. Both and reproduction. Nevertheless a good number of these fossils were dry-land tortoises. They come from thoroughgoing land animals later turned around the era before our turtles returned to the water. abandoned their hard-earned terrestrial re-tooling You might think therefore that modem land tortoises and returned .

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