How long can sperm remain viable within the female reproductive tract?

• As long as 72 hours

• as long as 6 days

• 24 hours

• 14 hours

Name of the layer of cells and glycoprotein membrane that encases the ovum

• zona pellucida

• cell wall

• Chorion

• Endometrium

Term referring to the cap on the sperm head that releases enzymes that break down the cells and the zona pellucida

• acrosome

• zygote

• Oocyte activation

• Fertilization membrane

term for a fertilized egg

• zygote

• oocyte

• Embryo

• Ovum

Match the following stages of development

• begins the eight week and lasts until birth

• period of growth before birth. fetus undergoes three stages of development

• begins after the sixteenth day and lasts until the eighth week

• embryonic stage

• preembryonic stage

• begins at fertilization

• prenatal period

• fetal stage

the zygote divides by mitosis to form two daughter cells called

• blastomere

• morula

• blastocyst

• trophoblast

Another name for process by which the mitotic divisions continue with the cells doubling with each division

• cleavage

• Replication

• Segregation

• Division

cluster of 16 cells resulting from cleavage of an ovum

• morula

• mesoderm

• placenta

• bastomere

After the morula enters the uterine cavity and it floats around for a couple days, it forms a hollow cavity and is now called a

• blastomere

• blastocyst

• Morula

The outer layer of the cells and the inner cell mass of the blastocyst

• trophoblast

• blastomere

• morula

• ovum