Question

how organisim benificial to our lives​

Answer 1

Answer:

each human body hosts 10 microorganisms for every human cell, and these microbes contribute to digestion, produce vitamin K, promote development of the immune system, and detoxify harmful chemicals. And, of course, microbes are essential to making many foods we enjoy, such as bread, cheese, and wine.

Explanation:

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Answer 2

Answer:

organisms benefit our life in many ways

Uses of Microorganisms in our lives:

• They are used for making curd, cheese etc. A bacterium Lactobacillus, promotes the formation of curd.
• Bacteria makes the meat softer by removing the tough muscles of it
• Symbiotic bacteria present in the root nodules of the leguminous plants convert the atmospheric nitrogen into useful nitrogen compounds.  
• Bacteria helps in the decomposing of the dead remains of plants and animals.
• Yeast is used for making the bakery products like bread, cakes, muffins, etc. and food items like idli, dosa, dhokla, etc.
• Yeast is added to molasses (a waste from sugar industry) to make ethyl alcohol.
• Algae is used as an organic food for the aquatic animals.
• Algae is even used as fertilizers because of their ability to fix atmospheric O2.
• Agar-Agar which is obtained from red algae is used for making jellies and cosmetics.
• Some unicellular protozoans like zooplankton act as link in the food chain in the aquatic animals.
• Certain microbes are also used in the biological treatment of sewage and industrial effluents.
• Microbes also play an important role in the preparation of medicines. Antibiotics are chemicals produced by micro-organisms to kill bacteria. Streptomycin, for example, is an antibiotic.
• They are used to increase the soil fertility by fixing the atmospheric nitrogen with the help of bacterium Rhizobium and some other blue-green algae.
• Microbes are used to reduce pollution. For example, decomposers such as bacteria and fungi break down dead bodies and excreta to form inorganic compounds, which can be absorbed by plants.

Explanation: