Foundation Science Primary 3 Cycles

A tadpole breathes through __________ before it develops into an adult frog.

A spiracles
B moist skin
C lungs
D gills
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Worked Solution

Step 1: Consider the habitat of a tadpole (underwater). Step [2-9]: Aquatic larvae like tadpoles need organs to extract oxygen from water. Step [2-9]: Gills are used for underwater breathing.

Correct answer: gills

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