Foundation Science Primary 6 Interactions

What is the primary role of decomposers like fungi and bacteria in an ecosystem?

A To provide food for all animals
B To break down dead matter into simple substances
C To produce oxygen for other organisms
D To compete with plants for sunlight
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Worked Solution

Step 1: Decomposers feed on dead plants and animals. Step [2-9]: They break down complex organic matter into minerals and nutrients. Step [2-9]: These substances are returned to the soil for plants to use.

Correct answer: To break down dead matter into simple substances

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