生物学 TPO35-L1 Animal Navigation System

TPO35-L1

Animal Navigation System

Listen to part of a lecture in an animal behavior class.

 


 

 

  1. What is the lecture mainly about?
  • A. The structure of the blind mole rats’ underground tunnel system.
  • B. How blind mole rates find their way back to their nests.
  • C. Whether some animals use Earth’s magnetic field for navigation.
  • D. Whether blind mole rats have more than one navigation system.

 

  1. Why does the professor mention tree roots and rocks?
  • A. To emphasize the blind mole rat’s need for two navigation systems.
  • B. To explain one reason why blind mole rats get lost.
  • C. To give examples of landmarks used by the blind mole rat.
  • D. To describe the materials the blind mole rat uses to build its nest.

 

  1. In discussing the experiment, why does the professor refer to a generic habitat?
  • A. To prevent a misunderstanding about blind mole rats’ tunnel systems.
  • B. To indicate how the researchers found the animals for the experiment.
  • C. To describe similarities between blind mole rats’ natural habitat and those of other animals.
  • D. To emphasize the importance of habitat design to the success of the experiment.

 

  1. What did the research team modify in the second part of their experiment?
  • A. They removed the food from the habitat.
  • B. They increased the distance between the nest and the food source.
  • C. They changed the magnetic field around the habitat.
  • D. They shifted the location of obstacles in the tunnels.

 

  1. According to the professor, what factor governs which navigation system the blind mole rat uses in a given situation?
  • A. The distance traveled.
  • B. The direction of travel.
  • C. The complexity of the tunnel system.
  • D. The presence or absence of landmarks.

 

  1. What does the professor imply when she explains why blind mole rats use two navigation systems?
  • A. One system is more accurate than the other for long trips.
  • B. One system takes more time to use than the other one does.
  • C. Individual blind mole rats have a preference for on system or the other.
  • D. Animals usually do not rely on only one navigation system for long trips.


答案:
B C D C D A

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