A. rectum
B. malpighian tubules
C. villi
D. Both A ,B
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The correct answer to the question: "The primary insect excrectory stuctures are__________?" is "Both A ,B".
A. rectum
B. malpighian tubules
C. villi
D. Both A ,B
The correct answer to the question: "The primary insect excrectory stuctures are__________?" is "Both A ,B".
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