Standard Science Primary 3 Cycles

Why do nymphs of insects like cockroaches moult several times?

A To hide from predators.
B To change their colour.
C To allow their bodies to grow larger.
D To help them fly.
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Worked Solution

Step 1: Insects have a hard outer covering (exoskeleton) that does not grow. Step 2: To increase in size, the insect must shed its old skin. Step 3: This process is called moulting.

Correct answer: To allow their bodies to grow larger.

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