Standard Science Primary 3 Cycles

Which of the following correctly compares the life cycles of a cockroach and a butterfly?

A Both have 4 stages in their life cycle.
B The young of a cockroach resembles the adult but the young of a butterfly does not.
C Both spend part of their life cycle in water.
D Both have a pupa stage.
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Worked Solution

Step 1: Cockroach life cycle: Egg -> Nymph -> Adult (3 stages). Step 2: Butterfly life cycle: Egg -> Larva -> Pupa -> Adult (4 stages). Step 3: Nymphs look like small adults; larvae (caterpillars) do not look like butterflies.

Correct answer: The young of a cockroach resembles the adult but the young of a butterfly does not.

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