51. Which of the following statements regarding insects is correct?
(A) Incomplete metamorphosis have a pupal stage.
(B) Metamorphosis from the larval stages to the adult occurs during pupal stage.
(C) Insects are analids.
(D) Book lung is a special organ in insects.
(E) Insects are lophotrochozoa.
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題目解析 這道題目詢問有關昆蟲的正確陳述...
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詳解： 昆蟲（insects）是節肢動物...
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