About 578,000 results
Open links in new tab
  1. Microorganism - Wikipedia

    Microbes are essential tools in biology as model organisms and have been put to use in biological warfare and bioterrorism. Microbes are a vital component of fertile soil. In the human body, …

  2. 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 …

  3. 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 …

  4. What are Microbes? - University of Utah

    We need to use a microscope to see them. The term is very general. It is used to describe many different types of life forms, with dramatically different sizes and characteristics: The human …

  5. Facts About Microbes | American Museum of Natural History

    Microbes are organisms that are too small to be seen without using a microscope, so they include things like bacteria, archaea, and single cell eukaryotes — cells that have a nucleus, like an …

  6. Microbiome science: Understanding your body’s microbes and …

    3 days ago · There are five main types of microbes — bacteria, archaea, viruses, fungi, and protists. They are all found in and on the human body; this is your microbiome! Bacteria …

  7. 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 …

  8. 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 …

  9. 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 …

  10. What Is Microbiology? Exploring the Microscopic Life That Powers …

    Aug 4, 2025 · Most microbes on Earth have never been cultivated in a lab. They are part of the microbial “dark matter”—unknown species with unknown roles, perhaps holding secrets to …