Standard Science Primary 6 Interactions

Which of the following is a structural adaptation of a desert plant like a cactus to survive in its environment?

A Closing its stomata during the day.
B Having a thick, waxy stem to store water.
C Growing only at night.
D Producing flowers once every ten years.
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Worked Solution

Step 1: Structural adaptations are physical features. Step [2-9]: A thick, waxy stem is a physical structure that stores water and prevents water loss. Step [2-9]: This helps the plant survive in dry desert conditions.

Correct answer: Having a thick, waxy stem to store water.

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