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 |
|---|---|---|---|
| 52182 | 2021-08-08 09:52:13 | 115.75 | 99% |
| 51261 | 2021-07-26 04:11:18 | 86.92 | 96% |