Life cycle of Dictyostelium discoideum. During the unicellular stage of the life cycle, spores germinate into single cells that eat microorganisms and divide by binary fission. Upon starvation, the multicellular stage of the life cycle is initiated. Single cells aggregate and undergo complex development to form a fruiting body structure, which consists of about 20% dead stalk cells and 80% hardy spores.
Saxer et al. BMC Evolutionary Biology 2010 10:76 doi:10.1186/1471-2148-10-76