Selaginella : (spike moss) These plants are capable of flexing their branches & roll to assume the shape of balls under prolonged dry conditions but when dipped in water or moistened they resume their normal form hence called resurrection plants.
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Chlorella and chlamydomonas are used in sewage disposal.
•#Unicellular green algae Ex. Chlorella used to provide oxygen during space flights.
•#Alginic acid is obtained from giant brown algae or kelps in India from Sargassum it yields alginate which used as emulsifier ,thickner or to stop bleeding.
•#Agar is obtained from Gelidium ,Chondrus etc. used in jellies creams bakery leather and textile industries act as laxative.
•# Carrageenin is obtained from Chondrus Used in food industry and as blood coagulant.
•#Extract of Corallina is used for kidney treatment.
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