Instructional Video0:42
Curated Video

Blastocyst

6th - 12th
An early stage in the development of a mammalian embryo, consisting of a hollow ball of cells that will later form the embryo and the placenta.
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A Twig Science
Glossary Film.
Key scientific terms defined in just...
Instructional Video15:24
Catalyst University

What is Zygotic Cleavage?

Higher Ed
In this video, we explore how the zygote undergoes a variation of mitosis called cleavage.
Instructional Video2:18
Curated OER

Human Development

9th - 12th
Three-dimensional animation zooms in on human development as it begins in the female ovaries. The animated egg changes and forms as you watch it travel down the fallopian tube into the uterus.
Instructional Video
Howard Hughes Medical Institute

Hhmi: Biointeractive: Stem Cells: Differentiation and the Fate of Cells

9th - 10th
See how the three germ layers in early embryonic development eventually lead to the formation of major human organs. [1:29]
Instructional Video
Sophia Learning

Sophia: Zygote: Lesson 2

9th - 10th
This lesson will explain how a zygote develops into an embryo. It is 2 of 5 in the series titled "Zygote."