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 |
|---|---|---|---|
| 1109 | 2021-08-06 15:38:38 | 51.48 | 94% |
| 625 | 2021-07-16 12:34:09 | 48.07 | 95% |
| 463 | 2021-07-11 10:28:43 | 51.50 | 96% |