23. Which of the following is not true of the chelicerates?
(A) They have antennae.
(B) Their anterior appendages are modified as pincers or fangs.
(C) The horseshoe crab is one surviving marine member.
(D) They include ticks, scorpions, and spiders.
(E) Their body is divided into a cephalothorax and an abdomen.
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統計: 尚無統計資料
統計: 尚無統計資料