Imagine that a mutation occurs such that an insect lacks functional malpighian tubules. Predict the consequences for this creature.
A. There would be no consequences, as malphigian tubules are characteristic of earthworms, not insects.
B. The ability to filter waste would be severely impaired.
C. The ability to maintain water and salt balance in the body would be severely impaired.
D. The ability to secrete waste would be severely impaired.
Answer: D
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