The period of the __________ lasts from nine to 38 weeks after conception.
A) fetus
B) zygote
C) germ disc
D) embryo
Correct Answer:
Verified
Q17: The zygote implants into the
A) uterine wall.
B)
Q18: The developing organism is called an embryo
A)
Q19: The hair, the outer layer of skin,
Q20: The process of a zygote burrowing into
Q21: The _ houses blood vessels that join
Q23: During the period of the fetus
A) cells
Q24: Your friend, Cassie, is eight months pregnant
Q25: Erin is eight weeks pregnant with her
Q26: The _ will form muscles, bones, and
Q27: During the period of _, the developing
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