sentence: Few organisms can survive in such highly saline conditions as salt evaporation ponds.
sentences_before: Dunaliella salina' is used in cosmetics and dietary supplements.
sentences_after: To survive, these organisms have high concentrations of beta-carotene to protect against light, and high concentrations of glycerol to provide protection against osmotic pressure. This offers an opportunity for commercial biological production of these substances.
concept_name: few organism
headings: Dunaliella salina
categories: Extremophiles