If life on Earth began as a prokaryote, how did eukaryotic cells arise? Learners explore the history of endosymbiosis from Dr. Lynn Margulis' first writings, which were not widely received to the evidence of mitochondrial DNA. They then see that endosymbiosis is an accepted scientific fact today. 

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CCSS: Adaptable
Instructional Ideas

  • Have pairs of learners further research and present Endosymbiosis evidence and new ideas to the class
Classroom Considerations

  • Classroom must have a computer, projection system, and an Internet connection  
  • Lesson is part 18 in a series of 37

  • Resource defines symbiosis and uses photosynthetic coral as an example
  • Video presents the evidence supporting endosymbiosis

  • None
Common Core