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A scientist studies a species of duck. The males and females are about the same size. The females are brown, and the males are a bright mix of blue, white, and green. What can the scientist conclude
about these ducks?
the females choose mates
Asked 2/3/2011 8:44:26 AM
Updated 7/18/2012 10:22:40 AM
1 Answer/Comment
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the females choose mates
Added 7/18/2012 10:22:40 AM

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In a paper on photosynthesis in a desert cactus, in which section would you find a review of existing knowledge that is relevant to the experiment?
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1 Answer/Comment
The sympathetic division of the nervous system causes the heart to race in a situation like this. More information here:
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