Multiple Choice
The earliest developmental stage among these choices is
A) germ layers.
B) morula.
C) blastopore.
D) gastrulation.
E) invagination.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q25: A human blastomere is<br>A) an embryonic cell
Q26: As cleavage continues during frog development, the
Q27: A sea urchin zygote undergoes its first
Q28: The vertebrate ectoderm is the origin of
Q29: Contact of a sea urchin egg with
Q31: In all vertebrate animals, development requires<br>A) a
Q32: If gastrulation was blocked by an environmental
Q33: Which of the following correctly displays the
Q34: What structural adaptation in chickens allows them
Q35: The cortical reaction functions directly in the<br>A)