In such environments, natural selection favors individual algae that can survive periods when they are not submerged in water. In charophytes, a layer of a durable polymer called sporopollenin prevents exposed zygotes from drying out.
| Game | Time | WPM | Accuracy |
|---|---|---|---|
| 23647 | 2021-08-12 17:07:11 | 62.78 | 95% |
| 23266 | 2021-07-25 09:24:43 | 63.23 | 95% |
| 22447 | 2021-07-04 11:56:18 | 49.95 | 95% |