Standard Science Primary 6 Interactions

Decomposers are important in an ecosystem because they __________.

A make food for predators
B prevent global warming
C return nutrients to the soil
D produce oxygen for animals
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Worked Solution

Step 1: Decomposers (bacteria/fungi) break down dead plants and animals. Step [2-9]: This process releases minerals and nutrients trapped in organic matter. Step [2-9]: These nutrients are recycled back into the soil for plants to use.

Correct answer: return nutrients to the soil

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