Primary 3 Science — Cycles Practice | Standard

Standard Science Primary 3 Cycles

Why does the larva of a beetle need to moult several times?

A To protect itself from predators.

B To prepare for laying eggs.

C To allow its body to grow bigger.

D To change its colour.

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Worked Solution

Step 1: Larvae have a hard outer covering (exoskeleton) that does not stretch. Step 2: To grow, they must shed this skin and grow a new, larger one. Step 3: This process is called moulting.

Correct answer: To allow its body to grow bigger.

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