Standard Science Primary 6 Interactions

Which of the following would cause an increase in the population of decomposers in a forest?

A A decrease in the number of plants.
B An increase in the number of dead logs and carcasses.
C A decrease in the amount of rainfall.
D An increase in the number of predators.
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Worked Solution

Step 1: Decomposers (fungi/bacteria) feed on dead and decaying matter. Step 2: More dead matter (logs/carcasses) provides more food. Step 3: This leads to a population increase.

Correct answer: An increase in the number of dead logs and carcasses.

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