Without microorganisms, all higher life forms on Earth would cease to exist.

Question

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Microorganisms play crucial roles in maintaining nutrient cycles, supporting plant growth, and decomposing organic matter which would otherwise accumulate and prevent the growth of new organisms. They also have important roles in human health and industry, such as producing antibiotics and fermenting food. Without microorganisms, most ecosystems would collapse and many essential processes would cease to function.

Without Microorganisms, All Higher Life Forms on Earth Would Cease