Standard Science Primary 3 Diversity

A fish in a bowl of water was observed to come to the surface frequently to 'gulp' air. This is because the fish __________.

A is trying to jump out
B is hungry for food
C is responding to a change
D needs air to survive
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Worked Solution

Step 1: Fish need oxygen/air to breathe. Step 2: If the water has low oxygen, fish may gasp at the surface. Step 3: This behavior confirms the need for air.

Correct answer: needs air to survive

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