BIO 141 - Copmparative Vertebrate Anatomy

Sample First Hour Exam

Answer all questions.

1. Describe the evolutionary changes (amphioxus to mammals) in the functions and structure of the gill arches and their derivatives (splanchnocranium).(20)

2. Describe the changes that were necessary in order for reptiles to originate from amphibians.(20)

3. Discuss the origin of paired appendages. (How, why, in whom, etc.)(20)

4. What are the "rules" for creating a "story" about how vertebrates evolved? Illustrate with the story for the origin of amphibians.(20)

5. What was the embryological and evolutionary origin for the occipital bone.(10)

6. Tell the embryological and evolutionary origin for teeth.(10)