Standard Science Primary 3 Diversity

Siti noticed that her eyes became smaller (pupils constricted) when she walked out of a dark cinema into the bright sunlight. This shows that living things __________.

A respond to changes around them
B can grow
C can reproduce
D need air, food and water to survive
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Worked Solution

Step 1: Identify the stimulus (bright light). Step 2: Identify the reaction (pupils becoming smaller). Step 3: This reaction to an external stimulus is the characteristic of responding to changes.

Correct answer: respond to changes around them

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