Vertebrate Zoology Midterm Review questions with correct answers

Notochord, dorsal hollow nerve cord, endostyle, postanal tail, pharyngeal pouches and slits CORRECT ANSWER 5 Characteristics of a Chordate Vertebrata, Cephalochordata, Urochordata CORRECT ANSWER 3 Subphyla of Phylum Chordata Convergent Evolution CORRECT ANSWER The older it gets, the more it resembles another species. Begin different and end similar. Divergent Evolution CORRECT ANSWER Darwin discovered that the finches were all throughout the Galapagos and they had different types of beaks due to different environments. Begin similar and end different. Coevolution CORRECT ANSWER Hummingbird has an extensive beak but if gets shorter, the flower will become shallower. 2 or more organisms evolving together. Dichotomous keys CORRECT ANSWER A method used to organize different species by use of branches. Self-reproducing RNA CORRECT ANSWER Earliest form of life Protocell CORRECT ANSWER DNA with an enclosing membrane which created a stable chemical and physical environment Fish, amphibian, reptile, bird and mammal CORRECT ANSWER Sequence of animals seen over time Pikaia CORRECT ANSWER Earliest chordate