After completion of the lab, you will write a compare/contrast paper on several body systems of four classes of chordates that you dissected. The body systems that you will be responsible for are the integumentary, musculoskeletal, digestive, respiratory and reproductive. The classes of animals are Amphibia, Cephalopoda, Chondrichthyes, and Mammalia. You are to often reference the representative organisms that you dissected during the lab and use features that are unique to the group, especially if these features provide an advantage to their life. Examples: improvements to their life as a predator, improvement for their life in water, in the air or on land, special articulations of bone/skeleton, differences between their muscle and human muscle, specialized digestive structures/processes, chambers of the heart or noticeable cardiovascular differences, brain structures or absence of, specialized reproductive structures, etc. just to mention some. Make use of diagrams, pictures, and your own personal illustrations to assist the reader with understanding. Use the link on Google Classroom on how to write a comparative analysis paper. Be sure to check the rubric often before turning in your paper. You should have a clear introduction that includes, but is not limited to the animal kingdom in general, Phylum Chordata characteristics and characteristics general to each of the 3 classes, and 1 phylum used. There should also be a paragraph dedicated to each body system. The second to the last paragraph should be a comparison of each animal to humans. Your conclusion paragraph should be a wrap-up that ties everything up, perhaps by considering the implications of your analysis. Avoid phrases like “in conclusion,” “to conclude,” “in summary,” and “to sum up.” These phrases can be useful–even welcome–in oral presentations. But readers can see, by the tell-tale compression of the pages, when an essay is about to end. Be sure to cover all animals when comparing and when contrasting. DO NOT say “one has this and one has that…”, say “the frog has___, while the perch has ____”.
The organisms we dissected were a frog, worm, squid, rat, shark
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