Directions: Select the Era that you studied. Answer four (4) of the following questions from option A, B or C. Be sure to answer in complete sentences. You may use diagrams to support your answers where appropriate.
A. Paleozoic Option:
b) What evidence indicates that the Iapetus Ocean began closing during the middle Ordovician period?
a) Silurian evaporates
b) Devonian-Mississippian black shales
c) Pennsylvanian cyclothems, and
d) Permian reefs
d) vascular plants
b) How did the marine invertebrates of the late Paleozoic differ from those of the early Paleozoic?
b) Discuss how plate movements during the late Paleozoic affected world-wide
B. Mesozoic Option:
b) What is the physiological basis for this?
c) Discuss the evidence for and against the idea that the dinosaurs were warm- blooded.
`b) Discuss the possible development of birds from dinosaurs. What characteristics do they have in common?
b) Describe the events that occurred during the breakup of Pangaea.
b) What effects did the breakup of Pangaea have on global climates and ocean circulation patterns?
C. Cenozoic Option:
b) Explain the concept of isostatic rebound, and cite evidence for rebound that has occurred since the end of the Pleistocene.
b) Discuss the history of glacial Lake Missoula.
c) Explain Milankovitch’s Theory of climate change.
b) Where were marsupials most abundant during the Cenozoic Era? What has been their fate thus far?
c) Compare and contrast placental mammals, marsupials, and monotremes.
b) How did the cephalopods of the Cenozoic seas differ from the cephalopods of the Mesozoic?
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