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Preferred term

SPONGES  

Definition

  • Sponges are multicellular organisms with no discrete tissues and organs but with a skeleton composed of collagen (with or without mineral elements), and a tubular water filtration system driven by specialized uniflagellate cells. They have a free living sessile habit and are mainly marine at all depths and latitudes but some occur in freshwater. (en)

Broader concept

URI

https://gcmd.earthdata.nasa.gov/kms/concept/bfbfd84c-6bf0-412f-9e75-1bad5241c339

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