A) Active transport moves materials from the coelomic fluid into the Malpighian tubules.
B) The Malpighian tubules can produce a highly concentrated urea solution, allowing insects to inhabit some of Earth's driest habitats.
C) Reabsorption of salts takes place mostly in the gut.
D) Water reabsorption is by osmotic movement only.
Correct Answer: B
Solution :
[b] Insects except that they excrete uric acid rather than urea.
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