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The photosynthetic revolution

Biological energy comes from sunlight, but how did photosynthesis get started? Watch Dr James McEvoy explain in this short video.

The evolution of oxygen-producing (“oxygenic”) photosynthesis was a turning point in Earth’s history. The atmosphere started to fill with oxygen, and then the first chloroplasts arose.

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Understanding Biological Energy

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FutureLearn - Learning For Life

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