Assignment7-1




BIO190 : The Class : Development : Assignment7-1

Assignment 1: Study Questions

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1. How is it possible that a fertilized egg can form into an individual animal? 1 point.

2. Why must polyspermy be prevented? 1 point.

3. Review figure 7-20, then explain how it is possible for a tortoise embryo and a human embryo to have such similarities? 1 point.

4. Why are reptiles, birds, and mammals collectively referred to as amniotes? Why was the appearance of the amniotic egg of such importance to evolution? 2 points.

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E-mail Sylvester Allred at Syl.Allred@nau.edu