decomposer
Pronunciation
Noun
B1 Intermediate
Quick answer
An organism that breaks down dead plants and animals into simpler substances that can be reused by the ecosystem.
Usage notes
Decomposers are essential to every ecosystem because they recycle nutrients that would otherwise stay locked inside dead organisms.
Test yourself
Which word fits the gap? "Fungi act as _____, breaking down fallen leaves and returning nutrients to the soil."
Answer: decomposer
In your own words, what does "decomposer" mean?
An organism that breaks down dead plants and animals into simpler substances that can be reused by the ecosystem.
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