The developing organism is called an embryo
A) from the moment of conception.
B) when cell division begins.
C) when bodily systems begin to work.
D) once implantation is complete.
Correct Answer:
Verified
Q13: When the zygote consists of about 100
Q14: Immediately after conception, a fertilized egg is
Q15: Near the center of a zygote is
Q16: A zygote is
A) a structure through which
Q17: The zygote implants into the
A) uterine wall.
B)
Q19: The hair, the outer layer of skin,
Q20: The process of a zygote burrowing into
Q21: The _ houses blood vessels that join
Q22: The period of the _ lasts from
Q23: During the period of the fetus
A) cells
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