Question

Lets consider the group known as tetrapods, these include Salamanders, Turtles and the Leopard. A. Are they a monophyletic group? (1 point) B. Is the Amniotic Egg ancestral or derived for this group (tetrapods)? (1 point) C. Is the Vertebral Column ancestral or derived for this group (tetrapods)? (1 point) Now consider the group known as fish, this includes the Lamprey and the Tuna. D. Is this a monophyletic group? (2 points) E. Why or why not? (1 point)

Answer 1

Answer:

Yes.

Explanation:

Yes, tetrapods are monophyletic group because the ancestor of all the tetrapods have four legs. Amniotic Egg was also comes from tetrapods which enables the reptiles to lay egg on the dry land. Yes, Vertebral Column is also derived from the evolution of early tetrapods. Yes, Lamprey and the Tuna belongs to monophyletic group because they both evolved from the common ancestor.