During your earthworm dissection, you may have to anesthetize the earthworms before starting the dissection. What is the lab procedure to anesthetize the earthworm?
a. Place the earthworm into 70% ethanol and leave it in there until air bubbles are released
b. Place the earthworm into 30% ethanol and leave it in there is no coiling response from the earthworm
c. Place the earthworm into 4°C refrigerator for 25 minutes
d. Place the earthworm into 1mM lidocaine solution and leave it in there is no coiling response from the earthworm