Which segments of the earthworm contain the blood glands?
A. 9th to 12th
B. 16th to 18th
C. 23rd to 25th
D. 4th to 6th
Answer:D
Which segments of the earthworm contain the blood glands?
A. 9th to 12th B. 16th to 18th C. 23rd to 25th D. 4th to 6th