studyguide1_2010[1] - Zoology 328 SS10 1/19/10 Study Guide...

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Zoology 328 SS10 1/19/10 Study Guide 1 If you know the following material, you should do well on the exams. Use the questions to stimulate your thoughts . (The more completely and thoroughly that you answer each question, the more you will gain from the Guide.) Words to Know wheel organ- cilia draws in water- creates current pharynx –water is drawn into pharynx atrium atriopore coelom myomere endostyle- organ that helps bind iodine to protein secretes mucus to trap food hepatic caecum notochord sinus venosus tunic ocellus -light detection- eye spot statocyst (otolith) adhesive papillae stomochord gametes metazoans diploblastic – 2 layers triploblastic - 3 germ layers ectoderm, mesoderm, endoderm coelom – spaces or cavities in mesoderm ectoderm-outer layer of skin mesoderm- middle layer endoderm – inner layer deuterostome – blastopore becomes anus protostome- blastopore becomes mouth paeodomorphosis- retention of juvenile charac. into sexual reproductive stage enterocoelic schizocoelic heterochrony-genetic shift in timing of development of body part relative to ancestral condition Concepts, Functions, Relationships, Interpretations, etc. What characteristics define the chordates? Hollow dorsal nerve cord, notochord, pharyngeal slits (embryonic stage), heart that pumps blood, cells that bind iodine to protein, post anal tail, segmented. What is the function of each chordate characteristic in the Cephalochordata?
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This note was uploaded on 03/27/2010 for the course ZOL 328 taught by Professor Hill during the Spring '08 term at Michigan State University.

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studyguide1_2010[1] - Zoology 328 SS10 1/19/10 Study Guide...

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