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 |
---|---|---|---|
16334 | 2021-08-16 23:23:21 | 70.43 | 97% |