write a short note on importance of algae
Answers
Answer:
Algae have diverse economic uses. They perform half of the total carbon dioxide-fixation on earth by photosynthesis, acting as the primary producers in aquatic habitats.
(a) Food source: Many species of marine algae such as Porphyra, Sargassum, and Laminaria are edible. Chlorella and Spirulina are rich in proteins. Thus, they are used as food supplements.
(b) Commercial importance: Agar is used in the preparation of jellies and ice-cream. It is obtained from Gelidium and Gracilaria. Carrageenin is used as an emulsifier in chocolates, paints, and toothpaste. It is obtained from the red algae.
(c) Medicines: Many red algae such as Corallina are used in treating worm infections.
Answer:
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Explanation:
In addition to making organic molecules algae produces oxygen as by product of photosynthesis. algae produced an estimated 30 to 40% of the net global oxygen available to humans and other terrestrial animals for the respiration ......