Both development and growth depend on the amount of...

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

While other cells have 23 pairs or 46 _________, the egg cell and sperm cell have only 23.

• cells

• genes

• chromosomes

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

In which of the following structures of the female human reproductive system is the blastocyst implanted during normal human development?

• Ovary

• uterus

• vagina

• amniotic sac

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

• meiosis

• Mitosis

• Fertilization

• Evolution

Throughout adulthood, people continue to develop and change.

• True

• False

the picture that shows the embryo stage is?

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