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Decomposer: meaning, definitions and examples

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decomposer

 

[ ˌdiːkəmˈpoʊzər ]

Noun
Context #1 | Noun

ecological terms

A decomposer is an organism that breaks down dead organic material, returning nutrients to the ecosystem. Decomposers play a critical role in nutrient cycling and energy flow within an ecosystem by decomposing plant and animal matter.

Synonyms

detritivore, organic matter decomposer, recycler

Examples of usage

  • Fungi are important decomposers in forest ecosystems.
  • Bacteria serve as decomposers, breaking down complex organic compounds.
  • Earthworms, as decomposers, enhance soil fertility by recycling nutrients.

Etymology

The term 'decomposer' originated in the late 20th century from the prefix 'de-' meaning 'down' or 'away from', and 'composer', which refers to an organism that composes or builds organic matter. In ecological sciences, the role of decomposers became more recognized as research revealed their vital part in nutrient cycling. By the 1970s, the concept of food webs highlighted the interconnectedness of producers, consumers, and decomposers in ecosystems underscoring their importance in maintaining ecological balance. The word reflects the function of these organisms in breaking down complex substances into simpler forms that can be reused by other living things, contributing to the sustainability of ecosystems.

Word Frequency Rank

Ranking #37,914, this word is encountered relatively rarely in everyday English. It might appear in literary works or specialized texts but isn't essential for general communication.