human reproduction and development

The joining of a male sperm cell and a female egg cell to form a human life.

• Reproduction
• Menstruation
• Ovulation
• Fertilization

What does a fertilized egg attach to after it is fertilized?

• vagina

• cervix

• uterus

• fallopian tubes

Pregnancy occurs because of the fertilization of the _______.

• egg by sperm

• sperm by the egg

Sexual reproduction is vital to the propagation of the Human race. Which of the following sequences represents the correct order of events in the formation of a human fetus?

• Zygote → Blastocyst → Embryo → Fertilization

• Fertilization → Zygote → Blastocyst → Embryo

• Blastocyst → Embryo → Differentiation → Zygote

• Fertilization → Growth → Differentiation → Zygote

The diagram below represents some stages of early embryonic development. Which process is represented by the arrows in the diagram?

• meiosis

• Mitosis

• Fertilization

• Evolution

A fertilized egg undergoes several stages before it is implanted. In which of the following structure of the female reproductive system is the egg fertilized?

• Ovary

• Uterus

• Fallopian tube

• Cervix

What word is missing in the space in the following statement:

_____________ provides nutrients and oxygen to the embryo.

• Amniotic sac

• Amniotic fluid

• Placenta

• Umbilical cord

To avoid birth defects, a pregnant woman needs to 

• get prenatal care
• avoid tobacco, alcohol, and other drugs
• eat a healthy diet
• do all the above

The environment of the developing fetus

• has little affect on the baby's health
• is effected by the mother's health habits
• is determined by just heredity
• is not important to the baby's health

After two months, the developing baby is called a

• embryo

• blastocyst

• fetus

• egg