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- DictionaryOr·gan·ism/ˈôrɡəˌniz(ə)m/
noun
- 1. an individual animal, plant, or single-celled life form: "fish and other organisms have been destroyed over large areas of the creek"
An organism is defined in a medical dictionary as any living thing that functions as an individual. Such a definition raises more problems than it solves, not least because the concept of an individual is also difficult. Many criteria, few of them widely accepted, have been proposed to define what is an organism.
ORGANISM meaning: 1 : an individual living thing; 2 : a system with many parts that depend on each other and work together usually singular.
a form of life composed of mutually interdependent parts that maintain various vital processes. a form of life considered as an entity; an animal, plant, fungus, protistan, or moneran. any organized organized body or system conceived of as analogous to a living being: the governmental organism.
noun. /ˈɔːɡənɪzəm/ /ˈɔːrɡənɪzəm/ (biology or formal) a living thing, especially one that is extremely small. Even the simplest, single-celled organisms show examples of this behaviour. The cell is the unit of which all living organisms are composed. see also microorganism. Wordfinder. Topics Biology b2. Oxford Collocations Dictionary. Join us.
a living thing, often one that is extremely small: Plants, animals, bacteria, and viruses are organisms. (Definition of organism from the Cambridge Learner's Dictionary © Cambridge University Press)
Oct 13, 2021 · An organism is a unit of life that is distinct in time; it has a starting point and an ending point. For familiar (sexual, multicellular) organisms the start might be fertilization of an egg by a sperm and the end might be considered death. But organisms might start and end different ways.
Key points: Living things are called organisms. All organisms are made up of cells. Cells are the smallest unit that can carry out all of the functions of life. These functions include taking up nutrients and water, getting rid of waste, getting and using energy, and interacting with the environment. Unicellular organisms are made up of one cell.
