There are many beneficial eubacterias that helps the living organisms. One such example is the E. Coli that lives in our colons. It provides us with vitamin K whilst consuming the food we didn't digest. read more
The role of water in living systems is to keep animals, plants, andbacteria hydrated. Water also serves as a transportation system. read more
It helps in the process nitrogen fixation in the living systems. Nitrogen is important for all the organisms. It is main component of proteins in the form of amono acids. read more