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Unformatted text preview: A. Classes: i) Polychaetes, ii) Oligochaetes iii) Hirudinea (leeches). B. Featues: metamerism, GI tract, coelom, closed circulatory system C. Observation, dissection, slides. V. Mollusca: 100,000 species, 5 derived features: mantle, foot, radula, ctenidium, shell. A. Classes: i) Polyplacophora, ii) Gastropoda (most diverse), iii) Bivalves, iv) Cephalapoda B. Features: mantle, "visceral mass", C. Observation, dissection demonstration, radula slide. VI. Dissection techniques and doing well! A. Use lighting! Use ringers! Lift up the scissors as you make cuts. B. Make good drawings. Digital photographs? Is it worth the effort? C. Examine review sheets during and fill out the charts. VI. Phylogenetic trees A. Many potential ones depending upon the emphasis. B. See p. 164 of the lab manual for illustrations of organisms. C. There is a summary Cladogram on the next page. . Fall 2009 Use the following cladogram for Fall 2009....
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- Fall '09
- Biology, Cnidaria, Annelid, c. Observation, A. Classes