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Evolution of Diversity. Two of the major transitions that occurred in the evolution of life on...

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Biology

Evolution of Diversity. Two of the majortransitions that occurred in the evolution of life on earth, longbefore any plants or animals were around, involved the evolution ofcyanobacteria and later the first eukaryotic organisms.

(A) Approximately when did the first cyanobacteriaevolve, and what made them so different from earlierphotoautotrophs? Describe at least TWO ways that cyanobacteriachanged the physical conditions on Earth and eventually paved theway for the evolution of other organisms.

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The evidence of evolution of cyanobacteria comes from the first oxygenation of environment On the origination of the aerobic photosynthesis and oxygenic potential it has crucial role in adding oxygen to the environment Since the oxygenation environment is detected 23 billion years    See Answer
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