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Comment: When searching for the most suitable heading, make sure the heading you choose reflects the main idea. For paragraph B, some students may be trapped and think domesticated horses play a less essential role than wild horses. It is true that this paragraph compares these two different types, but does not claim one is more essential than the other.iii Playing a less essential roleComment: The main idea of the paragraph is expressed at the beginning and it is about the different traits (qualities) that domesticated horses have. And these traits are developed because that is what humans desire in their domesticated horses: ii Developing desirable characteristicsComment: There is another question we can answer using the information in this paragraph:
Q 10. Methods of artificial selection have changed over the centuries.Meaning:Have people changed their methods of artificial selection over the centuries?Answer: We don’t know. Therefore,
Not GivenExplanation: This paragraph applies the law of natural selection to artificial selection where humans,
not the nature, select the desirable traits. However, it does not mention any methods being changed over time.
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