a looking is something that is required for amoebas
act_of_looking is itself_signal. sawing is intelligent_agent_activity. amoeba is protozoan. amoeba is software. ice_floe is tangible_thing. capoeira is intelligent_agent_activity. areca is plant. amoebida is animal_order. order_myxobacteria is animal_order. amoeba is animalcule.