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 |
|---|---|---|---|
| 1785 | 2021-07-30 09:20:18 | 59.50 | 97% |