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  1. Organism - Wikipedia

    Several criteria, few of which are widely accepted, have been proposed to define what constitutes an organism. Among the most common is that an organism has autonomous reproduction, growth, and …

  2. What is an Organism? A Complete Guide to the Building Blocks of Life

    Apr 18, 2025 · In biology, an organism is often defined as a contiguous living system capable of performing all basic life functions. It maintains homeostasis—an internal balance despite external …

  3. Organism - Definition and Examples - Biology Online Dictionary

    Aug 18, 2023 · Both archaea and bacteria are prokaryotic organisms whereas Eucarya, as the name suggests, includes all the eukaryotes. The scientific study of all organisms is called biology.

  4. ORGANISM Definition & Meaning - Merriam-Webster

    : something having many related parts that function together as a whole. : an individual living thing that carries on the activities of life by means of organs which have separate functions but are dependent …

  5. Definition, Types, Structure, Examples - Biology Notes Online

    Mar 28, 2024 · Organisms, the fundamental units of life, can be broadly categorized based on their cellular structure and organization. This classification provides insights into the evolutionary …

  6. Organisms Definition - General Biology I Key Term | Fiveable

    Organisms are living entities that exhibit the characteristics of life, including growth, reproduction, response to stimuli, and metabolism. They can be unicellular or multicellular and are classified into …

  7. What Are Organisms? Definition and Characteristics

    Aug 18, 2025 · All organisms exhibit a set of shared characteristics that collectively define life. Every organism is composed of one or more cells, the basic units of structure and function in living things.

  8. ORGANISM Definition & Meaning | Dictionary.com

    Organisms can be unicellular or multicellular. They are scientifically divided into five different groups (called kingdoms) that include prokaryotes, protists, fungi, plants, and animals, and that are further …

  9. Organism: Definition, Types, Characteristics & Examples

    May 28, 2019 · Even though these organisms look very different, they perform all the functions of life and share the defining characteristic of a membrane-bound nucleus, organelles and cytoskeleton.

  10. Organisms and their Classification - Microbe Notes

    Apr 26, 2024 · Organisms can be defined as a living thing, a unique, complex organization exhibiting the following significant characteristics: Can react to stimuli: Organisms can sense the external factors …