Based on the graph above, the color of male guppies can be seen as a balance between positive and negative selections.  Bright colors are an advantage in ________, but a disadvantage in ________.

A. attracting mates; avoiding predators
B. avoiding predators; attracting mates
C. attracting mates; finding food
D. finding food; attracting mates
E. avoiding predators; finding food


Answer: A

Biology & Microbiology

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Which of the following is a disadvantage of using corn to manufacture ethanol as a fuel additive? 

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Which of the following events is unique to prophase I of meiosis?

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When leaf cells lose so much water that turgor pressure falls, the plant:

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