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 |
---|---|---|---|
1883 | 2021-07-02 12:57:38 | 40.73 | 94% |