Modifiers matching heterotroph:

• benthic,
• internal,
• eukaryotic,

Simple categories matching benthic:

• assemblage,
• organism,
• creature,
• prokaryote,
• invertebrate,
• fauna,
• item,
• group,
• plant,
• heterotroph,
• cyprinid,
• microorganism,
• animal,
• metazoan,
• prey,
• host,
• process,
• food,
• mollusc,
• algae,
• arthropod,
• insect,
• cephalopod,
• material,
• system,
• community,
• predator,
• habitat,
• species,
• mollusk,
• fish,
• crustacean,
• feeder,
• omnivore,
• herbivore,