1 Use the data in Table 4 5 to complete the phylogeny depicted in Figure 4 10 and then use the completed phylogeny to answer

Question

1 Use the data in Table 4 5 to complete the phylogeny depicted in Figure 4 10 and then use the completed phylogeny to answer questions 2 through 6 TABLE 4 5 Shared Derived Character States of Aquatic Vertebrates Use the data to construct a phylogenetic tree representing the relationships of these seven taxa A zero 0 indicates a character state is absent a one 1 indicates that it is present Characters Lobed fins Ability to breathe air Vertebrae Jaws Dorsal nerve cord Paired appendages Lung or swim bladder Paired sense organs Tripartite brain FIGURE 4 10 Complete the phylogeny Lancelets outgroup 0 O 0 0 1 0 0 0 0 Coelacanths 1 0 1 1 Hagfishes 0 0 0 0 1 0 0 Ray finned Fishes 0 0 1 1 1 Lampreys 0 0 O 1 0 0 Sharks 0 0 T 1 0 Lungfishes 1

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