Multicellular organism

A multicellular organism (/mʌltiˈsɛljʊlər ˈɔːrɡənɪzəm/) is an organism that consists of more than one cell, in contrast to a unicellular organism. All species of animals, land plants and most fungi are multicellular, as are many algae.

Etymology

The term "multicellular" is derived from the Latin multi meaning "many" and cellula meaning "small room".

Definition

Multicellular organisms are organisms that consist of more than one cell, in contrast to unicellular organisms. This characteristic is called multicellularity. Multicellular organisms arise in various ways, for example by cell division or by aggregation of many single cells.

Characteristics

Multicellular organisms often have specialized cells that perform different functions. These organisms undergo cell differentiation to form different types of cells such as nerve cells, muscle cells, and skin cells.

Examples

Examples of multicellular organisms include humans, animals, plants, and fungi. These organisms have complex structures and systems that allow them to function and survive.

Related terms

External links

Medical encyclopedia article on Multicellular organism
Wikipedia's article - Multicellular organism

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Multicellular organism