What are the extreme lifestyles of the archaea that have evolved? How could natural selection have played a role in the evolution of these extreme abiotic tolerances?
What are stromatolites?
Formed by sedimentation of microbial mats
Showed that ancient blue-green cyanobacteria were one of the earliest forms of life in the oceans
How is a eukaryotic cell different from a prokaryotic cell? How are these differences important to the function of eukaryotic cells?
What was the role of oxygen in the evolution of complex multicellularity?
What are some of the obstacles presented by the water to land transition?
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