■ Direction You have 20 minutes to plan and write your response. You response will be judge on the basis of The quality of writing and on how well your response presents the points in the lecture and the relationship to the reading passage. Typically, an effective response will be 150 to 225 words. ■ Question Summarize the points made in the lecture you just heard, explaining how they cast doubt on the points made in the reading
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Topic : Warm-bloodness of dinosours. | |
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In this set, the reading passage and the lecture both discuss whether dinosours were warm-blooded animals. While the reading passage give some evidence for dinosaurs as warm-blooded animals, the speaker casts doubt on it by explaining it unreasonable.
To begin with, the lecturer says that, dinosaurs might have moved to warmer areas when it was too cold. He adds that young or small ones which were unable to migrate protected themselves by hibernation. This position is the opposite side of the reading passage that discovery of polar dinosaurs proves that they could endure the cold weather because they were warm-blooded.
In addition, in the lecture, he argues that, their down sided legs help them to walk and run fast and sustain their huge bodies. According to the lecturer, dinosaurs had unique hip sticks because they were land dwelling animals. This completely contradicts one of the points made in the reading passage that legs of dinosaurs are not like those of other cold-blooded reptiles-horizontal.
Last, the speaker does not agree with the reading passage that says their bone structure containing a lot of blood vessels indicates that they are warm-blooded. He states that bone structure varies and it is not restricted to warm-blooded animals. He explains the reason dinosaurs have lots of vessels inside their bone was in that they grow so fast to huge sizes. | |
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