37.The embryonic germ layer of tissue in animals that develops into the skin and nervous system is?
(A) Endoderm;
(B) Mesoderm;
(C) Protoderm;
(D) Ectoderm.

答案:登入後查看
統計: A(1), B(0), C(3), D(6), E(0) #3325443

詳解 (共 1 筆)

#6867994
1. 題目解析 這道題目涉及到動物胚胎發...
(共 782 字,隱藏中)
前往觀看
0
0