Malpighian tubules are___________
A. Excretory organs of insects
B. Excretory organs of frogot nod
C. Respiratory organs of insects o
D. Endocrine glands of insects
Answer:A
Malpighian tubules are___________
A. Excretory organs of insects B. Excretory organs of frogot nod C. Respiratory organs of insects o D. Endocrine glands of insects