Standard Science Primary 6 Interactions

A certain desert plant has a thick, waxy stem and leaves reduced to spines. What is the primary purpose of these adaptations?

A To store excess oxygen
B To protect the plant from being eaten by herbivores
C To reduce water loss through transpiration
D To capture more sunlight for photosynthesis
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Worked Solution

Step 1: Deserts are hot and dry environments. Step 2: Plants lose water through their leaves (stomata). Step 3: Small spines and waxy coatings are structural adaptations to minimize water loss.

Correct answer: To reduce water loss through transpiration

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