Part 1. Use the Diagram Below to Answer the Questions Lancelet (outgroup) Lamprey Vertebral column Largemouth bass Hinged jaws Skink Four walking legs Tortoise Amniotic egg Black bear Hair
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Lancelet (outgroup) Lamprey Tuna Vertebral column Salamander Hinged jaws Turtle Four walking legs Amniotic egg Leopard Hair For the tetrapods (salamander, turtle, and leopard), having hinged jaws is a(n) ______ trait. synapomorphic ancestral analogous derived
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Question 17 Lancelet (outgroup) Lamprey Tuna Vertebral column Salamander Hinged jaws Turtle Four walking legs Amniotic egg Leopard Hair Let's consider the group known as fish. This includes the Lamprey and the Tuna. A. Is this a monophyletic group? (1 point) B. Why or why not? (2 points) Now consider the group known as tetrapods; these include Salamanders, Turtles, and the Leopard: C. Are they a monophyletic group? (1 point) D. Is the Vertebral Column ancestral or derived for this group (tetrapods)? (1 point) E: Is the Amniotic Egg ancestral or derived for this group (tetrapods)? (1 point)
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