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 |
|---|---|---|---|
| 8408 | 2021-07-16 08:38:35 | 77.33 | 98% |
| 8248 | 2021-07-12 08:14:21 | 77.13 | 98% |