Curated OER
Zebra, Zebra Where Are Your Stripes?
Young scholars observe the embryological development in the zebrafish. Developmental hierarchy from three germ layers is studied in depth. Research is validated on the body plan of the embryo.
OpenStax
Open Stax: Anatomy & Physiology: Development of the Heart
Study the embryological development of heart structures including the five regions of the fetal heart with these learning exercises.
Other
Cte Online: Butte County Office of Education: Evolution and Embryos
[Free Registration/Login Required] A detailed lesson with downloadable PowerPoints and student handouts that examines how the study of comparative embryology provides support for the theory of evolution.
Alabama Learning Exchange
Alex: Why Comparative Embryology Matters in the Real World
For this lesson, middle schoolers compare similarities in the embryos of different organisms to look for features that would indicate common ancestry. They will then investigate how understanding this aspect of evolution has real-world...
University of California
University of California Museum of Paleontology: Homologies
These pages are from the Understanding Evolution website for teachers. They focus on homologous structures that organisms with common ancestors share.
Northern Arizona University
Northern Arizona University: Embryos and Evolution
In this lesson, students study the embryos of different organisms at three stages of development to look for features that suggest a common ancestry.
CPALMS
Cpalms: Name That Embryo
In this lesson, learners will look at images of embryos from different organisms and identify similarities and differences between them to indicate possible evolutionary relationships. Includes PowerPoint and student handouts.
PBS
Pbs Nova: Guess the Embryo
Every animal starts out as a single, fertilized cell. What happens then? Launch an interactive that showcases four similar-looking embryos. Can you guess what each one of them actually is? Watch them develop.