Division Cyanophyta (which is in Kingdom Monera
) contains the cyanobacteria, which are also known as blue-green algae
and cyanophytes. These organisms are one-celled or colonial prokaryote
s that contain chlorophyll
(but not chloroplast
s, which contain the chlorophyll
in true plant
Cyanobacteria are autotrophs (they create their own energy via photosynthesis) and reproduce through fission (splitting in two). There are over 7,500 species of cyanobacteria and they are found in many environments: damp soil and rocks, fresh water, and salt water.