BISC120_Fall07_Wetzer_Exam3

BISC120_Fall07_Wetzer_Exam3 - Professor Wetzer 7 December...

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Professor Wetzer 7 December 2007, Exam 3 Name: _____________________________________ ,Class time:___________ _________ pts. page 1 BISC 120L Midterm 3 – Fall 2007 – 100 pts. total READ ALL INSTRUCTIONS CAREFULLY 1. Write your name on all the pages. 2. Make sure you have a total of 9 pages. Page # Score Please check the box next to your TA’s name : Laila Barada YounKyoung Kim Gorjana Bezmalinovic Lori Klaidman Carlos Cabrera Mimi Lee Prithiviraj Chellamuthu Xuecong Liu Abdoulaye Galbani Kun (Mark) Qian Lewis Hsu Chanpreet Singh Rishabh Jain Natalia Tjokro Soyun Kim 1 0_ /0 pts 2 _____/10 pts 3 _____/20 pts 4 _____/10 pts 5 _____/8 pts 6 _____/8 pts 7 _____/4 pts 8 _____/40 pts 9 0_ /0 pts Total _____/100 pts
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Professor Wetzer 7 December 2007, Exam 3 Name: _____________________________________ ,Class time:___________ _________ pts. page 2 Part I. Matching (1 pt. each for a total of 10 pts.): This figure depicts early embryonic development in animals. Match the appropriate term with the list of terms below. Some terms may be used more than once. blastocoel, blastopore, blastula, cleavage, ectoderm, eight-cell stage, gastrulation, endoderm, zygote 1. ______________________ 2. ______________________ 3. ______________________ 4. ______________________ 5. ______________________ 6. ______________________ 7. ______________________ 8. ______________________ 9. ______________________ 10. ______________________
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Professor Wetzer 7 December 2007, Exam 3 Name: _____________________________________ ,Class time:___________ _________ pts. page 3 Part II. Short answer (2 pts. each for a total of 12 pts): 11. An earthworm is an example of an animal with a body cavity completely lined by tissue derived from mesoderm. What is this type of triploblastic condition called? ____________________ 12. Flatworms lack a body cavity between the digestive cavity and the outer body wall. What is this type of triploblastic condition called? ____________________ 13. Nematodes have a body cavity only partially lined by tissue derived from mesoderm. What is this type of triploblastic condition called? ____________________ 14. Give an example of a phylum that has a diploblastic condition ____________________ 15. These animals have NO tissues, NO nerves, are suspension feeders, and are basal on the animal tree. They belong to the phylum ____________________ 16. The common ancestor of living animals may have lived 1.2 billion to 800 million years ago.
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This note was uploaded on 12/01/2010 for the course BIO 120 taught by Professor Staff during the Spring '07 term at USC.

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BISC120_Fall07_Wetzer_Exam3 - Professor Wetzer 7 December...

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