In this development worksheet, students review the process of fertilization in placental organisms. Students determine what trimester certain events take place in a fetus' development. This worksheet has 10 fill in the blank and 7...

For this pregnancy worksheet, students review the 5 steps of human development from ovulation to implantation plus embryo development. Students also review the 3 stages of birth. This worksheet has 8 fill in the blank, 4 drawing, and 3...

Illustrated animation explains the basics of embryonic stem cells and how they are established and used.

This lesson will explain the processes involved in fertilization of a female egg. It is 5 of 5 in the series titled "Fertilization."

[Free Registration/Login may be required to access all resource tools.] Discusses the events that occur between fertilization and the embryonic stage.

For this lesson, learners use hands-on activities and journaling to learn about the process of mitosis, meiosis and cell differentiation. Hands-on activities include modeling of the mitosis and meiosis processes with model building and...