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Biology
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Biology Study Set 1
Quiz 17: Evolution and Diversity of Animals
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Question 61
Multiple Choice
The early amphibian Tiktaalik either crawled or paddled in shallow tropical streams about 380 mya,during the late Devonian period.These shallow waters often became anaerobic.What selective advantage did Tiktaalik have under these conditions?
Question 62
True/False
While walking through a hospital where fingers are reattached,you notice leeches being used on reattached fingers to improve circulation.You realize that annelids can be used in medicine.