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emma
Joined: 10 Dec 2006
Posts: 3
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 Posted: Wed May 16, 2007 12:58 pm Post subject: Question 12 |
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| hi, could you explain why the answer is B, can it also be A? the way I interpreted the passage, the answer can be A and B. Thank you. |
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admin
Site Admin
Joined: 08 Dec 2003
Posts: 2176
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| Posted: Wed May 16, 2007 10:45 pm Post subject: |
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It is true that both A and B describe characteristics of green foxtails as described in the passage. The question is: which of the following would suggest that many different foxtails may have come from the green foxtail?
A: the green foxtail is self-pollinating
or
B: the green foxtail has many different shapes/looks (morphologically heterogenous)
I don't see how A is relevant. However, the many different shapes/looks (B) certainly infers that, over time, different foxtails may evolve.
I hope that helps. |
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admin
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| Posted: Thu Jul 30, 2009 11:11 am Post subject: |
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