Which of the following terms refers to an outer layer of cells that develops during the germinal period and later provides nutrition and support for the embryo?
A) ectoderm
B) endoderm
C) blastocyst
D) trophoblast
Correct Answer:
Verified
Q8: A(n)_ later develops into an embryo.
A)placenta
B)ectoderm
C)trophoblast
D)blastocyst
Q9: Yolanda's doctor told her that her baby
Q10: Which of the following structures of an
Q11: The germinal period is approximately _ long.
A)one
Q12: Which of the following structures of an
Q14: During implantation,the zygote attaches to the wall
Q15: The endoderm,ectoderm,and mesoderm form during the _
Q16: A fertilized egg is also known as
Q17: Harry was born with defects in the
Q18: Implantation takes place about _ after conception.
A)10
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