Standard Science Primary 6 Interactions

In a garden, which of the following is an abiotic (non-living) factor that affects the rate of photosynthesis in plants?

A The presence of earthworms
B The presence of decomposers
C The number of caterpillars
D The intensity of sunlight
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Worked Solution

Step 1: Identify the term 'abiotic' (non-living). Step [2-9]: Sunlight is a non-living environmental factor. Step [2-9]: Photosynthesis requires light energy, so light intensity directly affects its rate.

Correct answer: The intensity of sunlight

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