Bacteria can thrive on almost anything and adapt themselves to very diverse environments. They can subsist on substances like cellulose which we humans cannot assimilate.
They can breakdown poisonous gases like hydrogen sulfide and absorb nitrogen from atmosphere and fix them into the roots of many plants which plants use as fertilizer.
Bacteria can even breakdown crude oil. Crude oil consists of millions of hydrocarbons which are composed from carbon and hydrogen. These compounds range from the simplest molecule called methane made from 1 carbon atom to giant molecules containing even more than 50 carbon atoms.
Many of these bacteria live in the upper crust of the soil. They have attained the capability to use lighter hydrocarbon gases namely methane, ethane, propane and also the higher molecular hydrocarbons as the source of the carbon nutrient for energy.
These are called aerobic bacteria and commonly termed as methanotrophs, propanotrophs and so…
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