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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
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Asked 2/3/2011 8:44:26 AM
Updated 7/18/2012 10:22:40 AM
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the females choose mates
Added 7/18/2012 10:22:40 AM
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What is the term for the flexible material that forms the structure of the ear?
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Education|No Subcategories|Not Answered
Updated 2/3/2011 2:49:52 PM
1 Answer/Comment
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A scientific paper that has passed through the peer review process is more respected than one that has not. Why might a scientist value a peer-reviewed paper?
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Asked 2/3/2011 7:12:52 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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Education|No Subcategories|Not Answered
Updated 346 days ago|5/6/2013 6:54:14 PM
6 Answers/Comments
b
Added 7/6/2011 12:37:32 AM
c
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B conclusion.
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introduction-apex
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introduction -apex
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A person walks through the woods. A branch falls suddenly, almost hitting him, and his heart suddenly starts racing. What part of his nervous system causes his heart to race?
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Education|No Subcategories|Not Answered
Updated 2/3/2011 12:08:47 PM
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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If a person is having a problem with balance, what part of the brain would most likely be the cause?
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Education|No Subcategories|Not Answered
Updated 2/3/2011 12:12:28 PM
1 Answer/Comment
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