For information on a specific unit, click on the first letter of its name: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z. Answers to the three most frequently asked questions:
Microorganisms were the first living creatures on earth. It is estimated there are a total of 5 nonillion microorganisms on earth (5x1020). You will find nearly 10 million a millilitre of ocean water and 40 million in a gram of soil. They are also ubiquitous on the human body.
Microorganisms â bacteria, archaea, fungi, algae, viruses and protists â are often easy to overlook. For the most part (except fungal fruiting bodies seen as mushrooms) we canât see microbes. The effects of microbes we feel are usually associated with an illness.icroorganisms â bacteria, archaea, fungi, algae, viruses and protists â are often easy to overlook. For the most part (except fungal fruiting bodies seen as mushrooms) we canât see microbes. The effects of microbes we feel are usually associated with an illness.