Meaning & use

Metazoans

noun·Academic

Last updated

Multicellular animals whose cells are organized into differentiated tissues and organs, as opposed to single-celled organisms.

See it in a sentence

Sponges are among the simplest metazoans, lacking the true tissues found in more complex animals.

Biologists study the evolution of early metazoans to understand how complex body plans first arose.

A note on using this word

The term distinguishes true animals from single-celled protozoans, marking a key division in the classification of life.

Words with a similar meaning

multicellular animals

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Words with an opposite meaning

protozoans

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