Reproduction and Development

Human reproductive cells, called ____________, are made by the male and female reproductive systems.

• sperm

• egg

• gametes

• nutrients

Tags

NGSS.HS-LS3-2

The male gametes are called ___. (smallest cell in a human)

• egg

• ovum

• gametes

• sperm

Female gametes are called ______ eggs. (largest cell in a human)

• ova

• sperm

• zygote

• allele

____________ is the reproductive process in which an egg and sperm join.

• Cell division

• Mitosis

• Fertilization

• photosynthesis

A (n) __________ is the first cell that forms when the sperm fertilizes the egg and a new human life begins.

• sperm

• egg

• embryo

• zygote

If the egg is fertilized, this new cell contains the _______ information from both the sperm and the ovum.

• genetic

• zygote

• gamete

• fertilization

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The zygote grows and develops in the female’s _________ system.

• digestive

• endocrine

• circulatory

• reproductive

From day 14 to about 8 weeks, this fertilized egg is called a(n) ___________.

• embryo

• zygote

• baby

• infant

Tags

NGSS.HS-LS1-4

In the development of a human, at week 9, its is called a(n) ________ and continues to grow and develop in the mother’s __________ in a double walled sac filled with fluid called the ___________ sac

• zygote/ uterus/ amniotic

• infant/ ovary/ reproductive

• fetus/ uterus/ amniotic

• fetus/ cervix/ uterine

Tags

NGSS.HS-LS1-4

The _________ connects to the baby by the umbilical cord and this transfers oxygen and all the nutrients needed from the mother to the fetus.

• heart

• lungs

• placenta

• blastocyst