Standard Science Primary 6 Interactions

Which of the following is the primary role of decomposers in an ecosystem?

A To control the population of predators.
B To break down dead matter into simple nutrients.
C To convert sunlight into chemical energy.
D To provide food for herbivores.
Show Worked Solution

Worked Solution

Step 1: Decomposers (fungi, bacteria) feed on dead organisms. Step 2: They break down complex matter into nutrients that return to the soil for plants.

Correct answer: To break down dead matter into simple nutrients.

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free