ZTSet4L2-Biology: Dinosaur


1. what is this lecture mainly about?

  • A. New hypotheses about dinosaurs resulting from tissue analysis 
  • B. Factors that allow dinosaur bones to be well preserved   
  • C. The role of histology in determining nutritional needs of dinosaurs 
  • D. The identification of some recently discovered dinosaur bones

2. Why does the author describe the process of petrifaction?

  • A. To clarify the difference between bone and soft tissue 
  • B. To explain why histology can be used on dinosaur bones 
  • C. To remind students of how long ago dinosaurs lived 
  • D. To describe the origins of some cracks in dinosaur bones

3. What would researchers have concluded if they have found stress fractures in the skulls of certain dinosaurs?

  • A. that they had been under-nourished
  • B. that they had engaged in head-butting behavior
  • C. that the skull bones were not well preserved
  • D. that the skull bones were fragile

4. According to the professor what evidence supported the original hypothesis that apatosaurs took decades to reach its adult size? Click on Two answers

  • A. Adult bones had many growth rings
  • B. Its environment did not support many plants
  • C. It was very large animal
  • D. Modern day reptiles grow slowly

5. Prior to the use of histological analysis, what would researchers have probably concluded upon the discovery of the bones of the small theropods?

  • A. The bones belonged to a new species of theropod.
  • B. The bones belonged to adult species of a dinosaur.
  • C. The dinosaur’s habitat had limited resources.
  • D. The bones belonged to an immature dinosaur.

6. Why does the professor say this?

  • A. To suggest the reason that the dinosaur did not survive
  • B. To find out if the students believe such rapid growth was possible
  • C. To express her sense of amazement
  • D. To show how inaccurate researchers were in their original prediction

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