Scientists have studied nerve conduction in the giant nerve axon of the squid because
a. It is larger than the axons of other animals, and thus makes an excellent preparation
b. Squids are cheap and plentiful
c. Its nerves fire repeatedly in the same way, generating more reliability than mammals
d. Reaction time can be measured for its nervous system
Question 2
The experimental preparation includes
a. Extraneous variables
b. The experimental protocol
c. The experimental equipment
d. The IRB proposal
