About 573,000 results
Open links in new tab
  1. In brief: What are microbes? - InformedHealth.org - NCBI Bookshelf

    Apr 5, 2022 · 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 …

  2. 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, …

  3. 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 …

  4. 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 …

  5. 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 …

  6. Microbiology | Definition, History, & Microorganisms | Britannica

    Oct 13, 2025 · microbiology, study of microorganisms, or microbes, a diverse group of generally minute simple life-forms that include bacteria, archaea, algae, fungi, protozoa, and viruses.

  7. Misunderstood Microbes - Education

    Oct 19, 2023 · Microbes are organisms that cannot be seen with the naked eye. They include bacteria, archaea, protists, viruses, prions, and fungi. They account for most of the diversity of …

  8. The Hidden World of Microbes That Run Our Planet

    Apr 19, 2025 · Microbes are incredibly diverse organisms, ranging from bacteria and archaea to fungi, viruses, and single-celled eukaryotes like protists. Despite their microscopic size, they …

  9. 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 …

  10. What Are Microbes? An In-depth Definition - BNS Institute

    Feb 15, 2024 · Microbes, or microorganisms, are extremely small living organisms that can only be observed using microscopes. Most microbes are unicellular (single-celled), although some …