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 …

: 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 …

Apr 18, 2025 · An organism isn’t just a body that moves or a plant that grows. It’s a self-contained, living system—an intricate orchestration of cells, molecules, and biological processes, all working in …

ORGANISM definition: a form of life composed of mutually interdependent parts that maintain various vital processes. See examples of organism used in a sentence.

Aug 18, 2023 · An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and maintain homeostasis. An organism would, therefore, be any animal, …

Add to word list biology a single living plant, animal, or other living thing (Definition of organism from the Cambridge Academic Content Dictionary © Cambridge University Press)

Jul 4, 2024 · An organism is any individual living thing that can react to stimuli, reproduce, grow, and maintain homeostasis. It can be a tiny bacterium, a plant, an animal, or a human.

Aug 18, 2025 · An organism is a complete living entity that can perform life processes independently. It represents the fundamental unit of life, whether it is a microscopic bacterium or a large whale.

An individual form of life, such as a bacterium, protist, fungus, plant, or animal, composed of a single cell or a complex of cells in which organelles or organs work together to carry out the various processes …

Oct 31, 2025 · organism (plural organisms) (biology) A discrete and complete living thing, such as animal, plant, fungus or microorganism. [from 19th c.] quotations