| Front | Heterotroph Hypothesis |
|---|---|
| Back | - first cells were anaerobic heterotrophs 3.5 bil y.a. - multicellular animals: 565 mil y.a. - modifications lets animals move to land - mammals: 210 mil y.a. - primates: 25 mil y.a - humans: 7 mil y.a. |
Tags: chapter_11
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