NOVA | Common Past, Different Paths

PBS Learning Media
Contributed By
PBS Learning Media
Resource Type
Classroom Material
Keywords
Embryo cell development lifecycle vestigial vestige vertebrate embryology
Subjects
Science
Grade Levels
Grade 6 Grade 7 Grade 8 Grade 9 Grade 10 Grade 11 Grade 12
Related Resources

NOVA | Common Past, Different Paths

This video from NOVA: Odyssey of Life, captures the shared ancestry of animals with backbones. Time-lapse color microphotography by Lennart Nilsson shows four embryos during development. Viewers watch as each embryo passes through early stages that look very similar before taking on distinguishing characteristics.
Publisher
PBS Learning Media

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