Standard Science Primary 6 Interactions

Which of the following is an abiotic (non-living) factor that affects the survival of plants in a pond?

A Amount of dissolved oxygen
B Presence of duckweed
C Number of fish
D Presence of bacteria
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Worked Solution

Step 1: Abiotic factors are non-living physical or chemical parts of the environment. Step [2-9]: Oxygen, light, temperature, and pH are abiotic. Step [2-9]: Plants, fish, and bacteria are biotic.

Correct answer: Amount of dissolved oxygen

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