This week showed an explosion of green in my microcosm. One kind of cyanobacteria in particular seems to have taken over the habitat. Nostoc, one of the cyanobacteria we looked at in lab unit 13, has grown to a raging population over the past few weeks. Nostoc is a freshwater cyanobacteria (obviously) that have long chains of cells known as filaments. Nostoc contains photosynthetic pigments.
Also, since I last visited my microcosm, one pellet of "Atison's Betta Food" was added. This may have played a factor in the sudden cyanobacteria growth I observed.
http://en.wikipedia.org/wiki/Nostoc
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