detergents (by 2 people)

ecotoxicology (by 2 people)

environmental (by 2 people)

surfactants (by 2 people)

algae (by 1 person)

alternative methods (by 1 person)

aquatic ecosystems (by 1 person)

bacteria (by 1 person)

bioassay (by 1 person)

bioassays (by 1 person)

bivalves (by 1 person)

ecology (by 1 person)

effects (by 1 person)

filter-feeders (by 1 person)

freshwater (by 1 person)

higher plants (by 1 person)

invertebrates (by 1 person)

leeches (by 1 person)

mollusks (by 1 person)

non-animal methods (by 1 person)

pollutants (by 1 person)

pollution (by 1 person)

self-purification (by 1 person)

toxic (by 1 person)

toxicology (by 1 person)

water self-purification (by 1 person)