Question

what is the prenatal development sequence?
a. zygote, fetus, embryo
b. fetus, zygote, embryo
c. embryo, zygote, fetus
d. zygote, embryo, fetus
e. fetus, embryo, zygote

Explanation:

Prenatal development starts with the zygote (fertilized egg). Then it develops into an embryo (weeks 3 - 8 of pregnancy). After that, it becomes a fetus (from week 9 until birth).

Answer:

d. Zygote, embryo, fetus