Microorganism - Wikipedia A microorganism, or microbe, [a] is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells The possible existence of unseen microbial life was suspected from antiquity, with an early attestation in Jain literature authored in 6th-century BC India
Microbiology - Bacteria, Viruses, Fungi | Britannica The major groups of microorganisms—namely bacteria, archaea, fungi (yeasts and molds), algae, protozoa, and viruses—are summarized below Links to the more detailed articles on each of the major groups are provided
In brief: What are microbes? - InformedHealth. org - NCBI . . . Microbes are tiny living things that are found all around us Also known as microorganisms, they are too small to be seen by the naked eye They live in water, soil, and in the air The human body is home to millions of these microbes too Some microbes make us ill, others are important for our health
Microorganism – Definition, Types, Importance, Examples In summation, a microorganism is a minuscule living entity invisible to the unaided eye This broad classification encompasses a plethora of organisms, including bacteria, archaea, algae, protozoa, and even microscopic animals
The Five Major Types of Microorganisms Microorganisms form the biochemical scaffolding upon which all macroscopic life depends They manage nutrient cycles, influence weather patterns, control atmospheric gases, and generate the raw materials of life
Microorganism - an overview | ScienceDirect Topics Microorganisms are the earliest life forms on earth, which originated 3 5 billion years ago Microorganisms refer to tiny and invisible organisms, mainly including fungi, bacteria, viruses, protozoa and so on