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A lab assignment for biol 1441 - principles of biology ii, focusing on the comparative anatomy of vertebrates and their adaptation to life on land. Students are required to study the digestive, respiratory, urinary, and reproductive systems, with a specific focus on the structure and function of assigned organs (liver, small intestine, kidney, or heart) and their adaptations in various animals (fish, amphibia, bird, and mammal). The assignment includes constructing figures, interpreting results, and writing conclusions.
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x se x se x se x se Body wt. (g) 262.79 1.75 167.21 0.95 399.17 1.54 223.81 0. Digestive System Organ wt. to body wt. (%) small intestine 0.68% 0.12% 1.09% 0.04% 1.96% 0.03% 3.79% 0.03% liver 0.76% 0.01% 2.31% 0.02% 2.89% 0.03% 4.70% 0.02% Cardiac System heart 0.25% 0.05% 0.50% 0.06% 1.85% 0.11% 0.73% 0.03% Respiratory System Gas exchange: gills, lungs 2.63% 0.04% 0.54% 0.02% 1.76% 0.02% 1.02% 0.01% Urogential System kidneys 0.18% 0.01% 0.54% 0.03% 0.45% 0.06% 0.98% 0.04%
3.( 8 pt ). Draw a cladogram of the hearts and gas exchange organs for the classes of Fish, Amphibian, Reptile (Crocodile), Bird, and Mammal. Show the proper phylogenetic relationships between them with the most closely related next to each other and the least related the farthest away.