Instructional Video

Pbs Learning Media: Earth: Life Before Oxygen

Curated by ACT

This Interactive NOVA: "Earth" video segment looks at ancient organisms that lived anaerobically, the origins of photosynthesis, and the new forms of life this process made possible. [1:39]

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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)