| He showed that the amoeba Pelomyxa became immotile upon illumination, whereas the photosynthetic alga Euglena was attracted to light. |
| One of the prettiest creatures you may catch sight of is a tumbling, crystalline, globe-shaped alga known as volvox. |
| The classical examples of symbiosis are the lichens, in which a fungus is associated with an alga or a cyanobacterium. |
| The most valued of the cultivated seaweeds is the red alga Porphyra, or Nori. |
| At the base of the stalk is the holdfast, which cements the alga to the rock and prevents it from being washed away. |
| That is, a simple alga like Volvox and a complex metazoan like an octopus both occupy the same sublevel. |
