Identify what process is occurring at the structure labeled "13."
A) fertilization
B) ovulation
C) cleavage
D) migration
E) gastrulation

Name: Identify what process is occurring at the structure labeled "13." A) fertilization B) ovulation C) cleavage D) migration E) gastrulation
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Quizplus · Accepted Answer

Gastrulation is the process by which the three germ layers (ectoderm, mesoderm, and endoderm) are formed. The structure labeled "13" is the blastopore, which is the opening through which the archenteron (primitive gut) forms.

Identify What Process Is Occurring at the Structure Labeled "13