Words to Describe decomposers

How decomposers often is described ("________ decomposers")

• principal
• secondary
• organic
• chief
• most
• bacterial
• anaerobic
• vertical
• abundant
• aerobic
• specialized
• primary
• multicellular
• saprobic
• important
• aquatic
• main
• active
• saprophytic
• heterotrophic
• marine
• hydroperoxide
• invertebrate
• tiny
• microscopic
• key
• cellulose
• horizontal
• microbial
• eukaryotic
• effective
• dominant
• mycelial
• fungal
• living
• peroxide
• efficient
• other
• major