EntityQ3500367· pop 6· linked from 254 articlesBiotic stressSign in to savebiological harm to an organismConnectionsprimary nutritional groupEntityecosystemEntityparasitismEntityecological nicheEntitynative speciesEntitynutrient cycleEntityecologyEntityfungiEntityvirusEntitybacteriaEntityphotosynthesisEntityInternational Standard Book NumberEntityQ12004Entitynatural environmentEntitybrownEntitycirculatory systemEntityArchaeaEntityimmunityEntitymicroorganismEntitydroughtEntityCategoriesAgroecologyHabitatHabitat management equipment and methods