Explore the endosymbiotic theory with the Amoeba Sisters! This theory explains the development of the eukaryote cell from prokaryote cell symbiosis. Scientific theories are also briefly defined. Expand details to see table of contents. ? This video has a handout here:

Table of Contents:
Intro 00:00
What is a Scientific Theory? 0:17
Endosymbiotic Theory Defined 0:45
Prokaryotes vs. Eukaryotes 1:03
Prokaryote Diversity (focusing on select ones in theory) 1:52
Endosymbiotic Theory Shown 2:21
Revealing Organelle Development 3:06
Facts that Support Endosymbiotic Theory 3:46
-Video mentions 4 facts but video mentions this is only a few of many more.
Endosymbiosis Example in Termites 4:39

The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky’s certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit:

We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook:

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Hindi Subtitling Credit: Alisha Aggarwal

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