Which statement does not describe helminthic parasites?
A) All tend to have complex life cycles that can involve different host species.
B) All belong to one of two groups: roundworms or flatworms.
C) An important mode of transmission is ingestion of the eggs or organism from feces-contaminated food and water.
D) All are hermaphroditic.
E) All reproduce sexually.
Answer: D
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Air enters and leaves through the
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