TPO69L3 Fiddler Crab



1.What is the purpose of the lecture?

A. To analyze the relationship between an animals’s visual perception and its body structure

B. To make students aware of potential bias in interpretations of animal behavior

C. To argue that human vision is inferior to the vision of certain animals 

D. To evaluate methods researchers use to determine the characteristics of an animal’s vision


2.What feature does the professor describe as being common to both an insect and a fiddle crab?

A. They both have compound vision.

B. They both have a panoramic field of vision.

C. They both have eyes on stalks.

D. They both defend their territory in a similar manner.


3.According to the professor, what detail about the fiddle crab makes it easy to observe?

A. It remains close to its home.

B. It moves very slowly.

C. Its shell is easy to identify.

D. Its eyestalks can be seen from far away.


4.According to the professor, what is the most important distinction that a fiddler crab must make?

A. The distinction between mudflats and other surfaces

B. The distinction between predators and prey

C. The distinction between crabs and predators

D. The distinction between male crabs and female crabs


5.How would a fiddler crab react to a ball thrown in the sky above it?

A. As if the ball were a rival crab

B. As if the ball were a potential mate

C. As if the ball were a predator

D. As if the ball were potential prey


6.What does the professor imply when she says this:

A. Students should take notes on the point she is making.

B. Students should not be surprised by the fact she is citing.

C. She realizes that her statement contradicts what students have learned. 

D. She is aware that her statement does not seem logical.


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