問題詳情
72. Which of the following statements best compares a pseudocoelom and a coelom?
(A) A pseudocoelom is completely enclosed by mesoderm whereas a coelom has an outer covering of mesoderm and aninner one of endoderm.
(B) A coelom is completely enclosed by mesoderm whereas a pseudocoelom has an outer covering of mesoderm and aninner one of endoderm.
(C) The coelom is enclosed by ectoderm and the pseudocoelom is enclosed by endoderm.
(D) The pseudocoelom is enclosed by ectoderm and the coelom is enclosed by endoderm.
(E) The coelom is enclosed by ectoderm and the pseudocoelom is enclosed by mesoderm.
(A) A pseudocoelom is completely enclosed by mesoderm whereas a coelom has an outer covering of mesoderm and aninner one of endoderm.
(B) A coelom is completely enclosed by mesoderm whereas a pseudocoelom has an outer covering of mesoderm and aninner one of endoderm.
(C) The coelom is enclosed by ectoderm and the pseudocoelom is enclosed by endoderm.
(D) The pseudocoelom is enclosed by ectoderm and the coelom is enclosed by endoderm.
(E) The coelom is enclosed by ectoderm and the pseudocoelom is enclosed by mesoderm.
參考答案
答案：B
難度：適中0.466667
統計：A(2),B(7),C(2),D(1),E(0)
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