Microorganisms are useful decomposers. Give scientific reasons. Q9) Anna who had cold, sneezed in the class without covering her mouth. Is this action of Anna right? Give reasons to your answer.
Answers
Answer:
1.Microorganisms like bacteria, fungi and protozoa act as decomposes and help in the decomposition of tissues of dead organisms in order to get their food.
2.microbes are tiny living things that are found all around us. They live in water, soil, and in the air.
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Answer:
a) Bacteria and fungi are called decomposers because bacteria and fungi break down the dead and decaying organic matter into simpler substances and provide the nutrients back to the soil. Advantages of decomposers to the environment: They act as natural scavengers. They help in recycling of nutrients. So they are useful.
b) No, her action was wrong. If she has sneezed in the class without covering her mouth that will effect the who class. For colds, most individuals become contagious about a day before cold symptoms develop and remain contagious for about five to seven days. Some children may pass the flu viruses for longer than seven days (occasionally for two weeks). Colds are considered upper respiratory infections. So next time she should cover her mouth before sneezing.
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