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 |
---|---|---|---|
5032 | 2021-07-25 15:41:00 | 73.24 | 99% |