Question

relationship between humans and microorganisms

Answer 1

microorganisms are present in our digestive system. so we need microbes for digestion
microbes like rhizobium help making soil fertile and help us in getting food
microbes convert milk to tasty milk products
bacteria and fungi decompose dead living matter while getting rid of the waste and also providing fertility to the soil
but microbes also cause many dangerous diseases and lead to many deaths

hence microbes are humans' frenemies

Answer 2

There is a close connection between microbes and humans. experts believe that about half of all human DNA originated from viruses that infected and embedded their nucleic acid in our ancestors egg and sperm cells..
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