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 |
---|---|---|---|
15261 | 2021-08-08 09:52:32 | 65.82 | 94% |