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 …
Microbiology | Definition, History, & Microorganisms | Britannica
Dec 4, 2025 · Microbiology, the scientific study of microorganisms, a diverse group of generally minute simple life-forms, including bacteria, algae, and viruses. The field is concerned with the …
What Are Microbes and What Do They Do? - Biology Insights
Microbes are microscopic organisms that exist in vast numbers all around us and within us. These tiny life forms play a profound role in sustaining life on Earth. They are ubiquitous, found in …
Introduction to Microbiology – General Microbiology
Generally microbes can be divided into two categories: the cellular microbes (or organisms) and the acellular microbes (or agents). In the cellular camp we have the bacteria, the archaea, the …
What is microbiology? | Microbiology Society
Microbes, which are also called micro-organisms, are a group of organisms that are too small to be seen with the naked eye. Despite being even smaller than the human cell, microbes still …
What Are Microbes? An In-depth Definition • BNS Institute
May 18, 2025 · Microbes are tiny living things found all around us, too small to be seen with the naked eye. Also known as microorganisms, they require microscopes to be observed and …
Microbiome science: Understanding your body’s microbes and ...
Jan 6, 2026 · Did you know that you have trillions of tiny organisms living on and inside your body? This amazing collection of microbes – your microbiome –…