Advanced Science Primary 6 Interactions

A certain species of plant has leaves that are covered in fine, white hairs. How does this adaptation help the plant survive in a hot, dry environment?

A It allows the plant to absorb more oxygen from the air.
B It helps the plant trap more sunlight for photosynthesis.
C It reduces the amount of water lost through transpiration.
D It protects the plant from being eaten by animals.
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Worked Solution

Step 1: Identify environmental stress (hot and dry). Step [2-9]: White hairs reflect sunlight and trap a layer of moist air near the leaf surface. Step [2-9]: This reduces water loss via transpiration.

Correct answer: It reduces the amount of water lost through transpiration.

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