During weeks 3 to 8 of a pregnancy, the developing organism is called a(n)
A) zygote.
B) embryo.
C) blastocyst.
D) fetus.

Question

Quizplus · Accepted Answer

During weeks 3 to 8 of pregnancy, the developing organism is called an embryo. The zygote is the fertilized egg, which develops into the embryo. The blastocyst is the early stage of development, occurring during the first week after fertilization. The fetus is the term used after 8 weeks of pregnancy when the major organs are formed.

During Weeks 3 to 8 of a Pregnancy, the Developing