Critical Reasoning (CR) | Birds have been said to be descended from certain birdlike dinosaur

Birds have been said to be descended from certain birdlike dinosaur species with which they share distinctive structural features. The fossil record, however, shows that this cannot be so, since there are bird fossils much older than the earliest birdlike dinosaur fossils that have been found.

Which of the following is an assumption on which the argument relies?

You must first understand what the examiner wants out of you. The examiner wants you to choose an answer option that happens to be an assumption of the author who has made the argument. Assumptions are thoughts that are unstated. You can call them unstated pieces of evidence or unstated premises. Now that you have figured out the question type, you need to deconstruct the argument. In other words, find out the claim/conclusion of the author along with the evidence(s)/premise(s) that substantiate the argument. The conclusion is this: Birds cannot have descended from certain birdlike dinosaur species (with which they share distinctive
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Statistics : Posted by sudharsanbalaji • on 15 Jun 2016, 12:57 • Replies 25 • Views 71541

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