a looking is something that is required for amoebas
ice_floe is tangible_thing. capoeira is intelligent_agent_activity. amoebida is not animal_order. ice_floe is not tangible_thing. amoeba is animalcule. areca is plant. amoeba is software. amoebida is animal_order. amoeba is not software. amoeba is not animalcule.