noun retÂ·roÂ·gresÂ·sion \Ëre-trÉ-Ëgresh-Én\. : a reversal in development or condition: asa: return to a former and less complex level of development or organizationb: subsidence or decline of symptoms or manifestations of a disease.
Habitat. Slime molds live in somewhat variable habitats all over the world. Generally slime molds live in damp areas of vegetation. They live under rotting logs and damp leaves. Some of the other habitats that slime molds will inhabit include water such as tropical fish tanks.
The fungus-like protists are the slime molds and water molds. They are mostly single-celled organisms that live in the moist soil of forest floors and compost piles. These heterotrophs absorb nutrients from decaying organic matter and move in the same fashion as amoebas by extending and pulling with pseudopodia.