Organism

An organism is 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. Several criteria, few of which are widely accepted, have been proposed to define what constitutes an organism.

Extends: Organisms, [Biological systems](https://wikipedia.org.ai/Biological systems), Life, [Physical objects](https://wikipedia.org.ai/Physical objects)