as number of organisms in a group increases , the chance of survival of each organism will increase
increase_action is increase_event. proliferation is increase. growth_event is increase_event. increase_action is not increase_event. population_growth is not increase. population_growth is increase. increase_in_mass is not increase_event. increase_in_mass is increase_event. group_of_animals is group_of_living_organisms. biological_growth_of_organisms is becoming.