What is common between earthworm and cockroach?
Q. What is common between earthworm and cockroach?
A. Nephridia
B. Closed circulation
C. Solid ventral nerve cord
D. Malpighian Tubules
Answer: Solid ventral nerve cord
A. Nephridia
B. Closed circulation
C. Solid ventral nerve cord
D. Malpighian Tubules
Answer: Solid ventral nerve cord