
TPO24-L1
Crocodile Vocalization
- What does the professor mainly discuss?
- A. Factors that affect successful crocodile communication.
- B. Some reasons for crocodile vocalizations.
- C. Ways that newborn crocodiles learn to communicate.
- D. Reasons why crocodile vocalization is difficult to study.
- According to the professor, what are two functions of the sounds made by male alligators?
[CHOOSE 2 ANSWERS]
- A. To frighten predators.
- B. To attract mates.
- C. To locate hatchlings.
- D. To threaten other males.
- Based on the discussion, what is one reason hatchlings make vocalizations to their mother while they are in the nest?
- A. To reassure her that they are safe.
- B. To signal that they are ready to follow her.
- C. To make sure she does not forget them.
- D. To indicate that they need to be relocated to a larger nest.
- What is the professor’s opinion about the television program that she mentions?
- A. She is concerned about the accuracy of some of the information the experts provided.
- B. She is hopeful that the class will be able to discuss it.
- C. She thinks it was overly critical of some recent theories about crocodiles.
- D. She is surprised that it did not include more examples of crocodile communication.
- Why does the professor mention dogs?
- A. To explain that mammals are more complex than reptiles.
- B. To point out that crocodiles can communicate with dogs.
- C. To give an example of mammals that care for their young.
- D. To emphasize that crocodiles have highly developed brains.
- What happens when a hatchling makes a distress call?
- A. Its siblings answer back.
- B. The mother repeats the call.
- C. The rest of its family waits near water.
- D. The mother calls to other adult crocodiles for assistance.

B BD C A D A