Just underneath the pinacocyte layer of a sponge is a jellylike layer referred to as the ( ).
A: ectoderm
B: endoderm
C: mesoderm
D: mesohyl
E: endochyme
A: ectoderm
B: endoderm
C: mesoderm
D: mesohyl
E: endochyme
举一反三
- Which embryonic germ layer is the human cardiovascular system derived<br/>from () A: Ectoderm B: Mesoderm C: Endoderm D: Intraembryonic coelom
- The epiblast is capable of forming which of the following germ layers? A: Ectoderm only B: Ectoderm and mesoderm only C: Ectoderm and endoderm only D: Ectoderm,mesoderm,endoderm
- Which of the following is her likely anatomical defect? A: Ectoderm B: Endoderm C: Paraxial mesoderm D: Lateral plate mesoderm
- Which layer of the cerebral cortex is the major input layer? A: (A) layer I B: (B) layer II-III C: (C) layer IV D: (D) layer V
- λ架构的三层架构不包括_____。 A: batch layer B: speed layer C: serving layer D: data layer