Habitat Modifier

Name: Various

Universe: Various

Av. height: usually only a centemeter or so

Homeworld: same as host species

Diet: nutrients in nearby soil/air/water

language: none

Sentience: no

Overview
Habitat modifiers are various fungoid or floral growths spread by aliens as a means of Terraforming. Often they convert atmosphere, soil, water, and landmass into substances beneficial to the invading species, while making them hostile to indigenous life forms. often, they also provide invaders with a ready foodstuff.

Species that spread habitat modifiers

 * The Flood
 * Necromorph
 * Tentacle Monster (sometimes)
 * Scrin (Tiberium)
 * Scurge
 * X Parasite / X-parasite (Infected Air Vent)
 * Zerg (Creep)