22. Water movement through a sponge would follow what path?
(A) choanocyte→ mesohyl →spongocoel
(B) porocyte→ spongocoel→ osculum
(C) colloblast →coelom→ porocyte
(D) porocyte→choanocyte→mesohyl
(E) blastopore→gastrovascular cavity→protostome
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統計: 尚無統計資料
統計: 尚無統計資料