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.
Slimes usually spawn in large, flat areas of land. They can also spawn in swamps, and from slime spawners. Digging out large flat caverns with a high roof and low light was an old trick to make a slime farm in survival. With the change that allowed them to spawn in swamps, it was no longer needed, but could still be done if you didn't want to run to a swamp every time you wanted to make a sticky piston.