The ________ consists of three layers of cells: the endoderm, the mesoderm, and the ectoderm.
A) blastocyst
B) fetus
C) embryo
D) trophoblast
Correct Answer:
Verified
Q2: The germinal period of development takes place
Q3: Voletta is at the stage of pregnancy
Q4: In the period of prenatal development that
Q5: The blastocyst differs from the trophoblast in
Q6: _ refers to the attachment of the
Q7: Implantation, the attachment of the zygote to
Q8: The _ is the outer layer of
Q9: _ occurs when a single sperm cell
Q10: Salma is trying to get pregnant and
Q11: Cell differentiation intensifies and organs appear in
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