The excretory structure in the earthworm is the
...The excretory structure in the earthworm is the
malphighian tubule
flame cell
nephridium
kidney
Correct answer is C
Nephridia remove metabolic wastes from an animal's body. Nephridia come in two basic categories: metanephridia and protonephridia.
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Which of the following statements about photosynthesis is not true? ...