Sample_Q_with_Answer (1)

Sample_Q_with_Answer (1) -...

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Question: Is evolution progressive or escalatory?  What is the evidence to  support your answer?  Be sure to include in your answer a discussion of the  Red Queen hypothesis.  ( 15 points ) Answer: If evolution were  progressive , organisms will become better adapted to their  surroundings through evolutionary time.  E.g., later predators would be better  at catching their prey than were earlier predators.  If, by contrast, evolution  were  escalatory , the improvement in predatory adaptations may be matched  by improvements in prey defenses, and neither gains any advantage over the  other.  E.g., later predators will be no better than their ancestors at catching  contemporary prey types. But if those later predators were transported in a  time machine and set loose on the prey hunted by ancestral predators, later  predators should cut through ancestral prey like a modern jet fighter in a 
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This note was uploaded on 10/24/2010 for the course BIOL 514 taught by Professor Goldstein during the Fall '10 term at UNC.

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Sample_Q_with_Answer (1) -...

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