| A large percentage of the sand grains are composed of fragments from the green alga Halimeda. |
| Flagellar length in the unicellular, biflagellate, green alga Chlamydomonas reinhardtii is tightly regulated. |
| At the base of the stalk is the holdfast, which cements the alga to the rock and prevents it from being washed away. |
| The phenomenon was first described in a red alga and a green alga more than 30 years ago. |
| 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. |
