Diversity of Life, Precambrian Time, and Precambrian Life

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5 Terms

1
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What are some regions that have particularly old crust?

Canadian Shield

2
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Eukaryotes

have more complex cells, but also require a lot of energy. This restricts the types of metabolisms that eukaryotes can have.

3
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Prokaryotes

have simpler cells, and don’t require as much energy. This means that they can utilize a wide variety of metabolic options

4
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What do we know about the origins of life (or at very least, what can we infer)?

All marine life

5
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Did multicellularity evolve once or did it evolve several times independently?

Several times independently