Find reliable reference information to help answer these QUESTIONS about crayfish rapid escape reflexes:

1) Compare the reaction of the crayfish to head touch with its reaction to tail touch.  What is similar or different about these two reactions in terms of:

a) changes in body shape during escape?
b) speed of movement?
c) direction of movement?

2) Explain how specific portions of the crayfish body are well designed for rapid escape swimming?

3) What special neurons in the crayfish central nervous system trigger its rapid escape reflexes?

Crayfish background

Back to "Biology in Action" >>