Copy of Anatomy quiz 1 - Anatomy Physiology Quiz 1 1 Relate the group on the left with the correct homology on the right Vertebrates C Chordates G

Copy of Anatomy quiz 1 - Anatomy Physiology Quiz 1 1 Relate...

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Anatomy & Physiology: Quiz 1 1. Relate the group on the left with the correct homology on the right: Vertebrates: C A. Hair Chordates: G B. True bone Amniotes: E C. Backbones Mammals: A D. First opening in digestive system is anus Deuterostomes: D E. Water-tight egg Osteichthyans: B F. Jaws Gnathostomes: F G. Notochord 2. What is meant by the phrase "Mammals evolved after amniotes"? (A) Mammalian characters appeared after amniote characters in evolution. (B) Mammals are a more recent group in evolutionary history. (C) Amniotes are a more inclusive group than mammals (i.e. mammals as a group are a part of Amniota but Amniota as a group are not a part of mammals). (D) All of the above. (E) None of the above. 3. Why do we classify lancelets (cephalochordates), tunicates (urochordates) and vertebrates together? (A) Because they look alike and are aquatic. (B) Because they share features derived from a common ancestor, such as a notochord, post-anal tail and dorsal nerve (spinal) chord.
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