regulation is when an organism maintains a stable internal environment
stable is not illness. stable is illness. ecology is not environment. homeostatic_regulatory_system is organism_part. positive_regulation_of_ossifyion is regulation_of_biological_process. find_inside is more_controlled_environment. nonvascular_organism is organism. homeostasis is biological_regulation_process. homeostatic_regulatory_system is not organism_part. ecology is environment.