Modifiers matching microbe:

• undesirable,
• infectious,
• damaging,
• pathogenic,
• viable,
• contagious,
• invasive,
• harmful,
• eukaryotic,
• intestinal,
• higher,
• indigenous,
• tiny,
• real,
• dangerous,
• animal,
• photosynthetic,
• marine,
• environmental,
• unicellular,
• cellular,
• nasty,
• new,
• waterborne,
• conventional,
• anaerobic,
• lethal,
• common,
• hazardous,
• beneficial,
• opportunistic,
• larger,
• useful,
• deadly,
• intracellular,
• parasitic,
• latent,
• biological,
• toxic,
• positive,
• small,
• unwanted,
• invisible,
• destructive,
• heterotrophic,
• model,
• smaller,
• primitive,
• effective,

Simple categories matching heterotrophic:

• organism,
• eukaryote,
• animal,
• cell,
• bacteria,
• microorganism,
• microbe,
• protist,