Standard Science Primary 6 Interactions

Which of the following is an abiotic (non-living) factor that affects where a plant can grow in a forest?

A The presence of earthworms in the soil
B The amount of sunlight reaching the floor
C The number of birds nesting in the trees
D The type of mushrooms growing on dead logs
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Worked Solution

Step 1: Abiotic factors are physical or non-living components. Step [2-9]: Sunlight, water, and temperature are abiotic. Step [2-9]: Earthworms, birds, and mushrooms are biotic.

Correct answer: The amount of sunlight reaching the floor

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