![What is common between earthworm and cockroach?](https://www.gkseries.com/blog/wp-content/uploads/2022/01/What-is-common-between-earthworm-and-cockroach.png)
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
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