At which of these segments does the nerve cord of the earthworm divide into two parts?
A. 5th, 6th
B. 8th, 9th
C. 3rd, 4th
D. 11th, 12th
Answer:C
At which of these segments does the nerve cord of the earthworm divide into two parts?
A. 5th, 6th B. 8th, 9th C. 3rd, 4th D. 11th, 12th