After About 3 Days,the Fertilized Egg Becomes a Mass of Cells

Question

After about 3 days,the fertilized egg becomes a mass of cells called a
A) zygote
B) morula
C) blastocyst
D) fetus

Accepted Answer

After about 3 days, the fertilized egg develops into a mass of cells called a morula. The morula is a solid ball of cells that eventually develops into a blastocyst, which then implants in the uterus and begins to form the fetus. Therefore, the correct option is B) morula.