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Topic and Scope
- The author describes the skeletal structure of Archaeopteryx lithographica and how it illustrates the evolutionary leap from reptile to bird.Mapping the Passage
Answers and Explanations OE
1)
Where is the Jurassic period mentioned? Go back to the second paragraph. Archaeopteryx lived during the latter part of the Jurassic period. If the fossil of a bird living before this were discovered, what would that do to the theory that Archaeopteryx was a transitional species between reptiles and birds? It would weaken it, as birds would have already existed. (B) repeats this line of reasoning.2)
Quickly consider the main points of the passage and the structure of your map before checking the answer choices. A good map will immediately lead to (A) as untrue: much of the passage deals with the differences between the skeletons of Archaeopteryx and modern birds, so (A) can‘t possibly be true.3)
Review your map to get a grasp of where to find the details in this question. Be aware of the main similarities and differences between Archaeopteryx and birds when tackling the choices. (A) immediately jumps out: since Archaeopteryx did have feathers, it certainly doesn‘t differ from birds by lacking them.4)
Although most of the passage is concerned with pointing out the differences between Archaeopteryx and modern birds, the main concern of the author is slightly broader in nature which becomes clear at the end of the passage in lines 46-49. Option D summarises this best.
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Hi Guest,
Here are updates for you:
ANNOUNCEMENTS
Watch earlier episodes of DI series below EP1: 6 Hardest Two-Part Analysis Questions EP2: 5 Hardest Graphical Interpretation Questions
Tuck at Dartmouth
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