Consider the phylogeny below. a) Are Amphibians and Reptiles…

Consider the phylogeny below. a) Are Amphibians and Reptiles considered a monophyletic group? Explain why or why not.  b) Are Marsupials and Placentals considered a monophyletic group? Explain why or why not.  c) Are Marsupials or Frogs more closely related to birds. Explain your answer.