28. Extracellular compartmentalization of digestive processes is an evolutionary adaptation in many animal phyla. Which of the following phyla is correctly paired with the compartment that first evolved in that phylum?
(A) Cnidaria gastrovascular cavity.
(B) Arthropoda stomach.
(C) Chordata liver.
(D) Annelida complete alimentary canal
詳解 (共 1 筆)
未解鎖
好的，以下是針對考試題目的詳細解答說明：...
阿摩線上測驗
登入
