Standard Science Primary 3 Diversity

When a bright light was shone into Ross's eyes, his pupils became smaller. This shows that living things __________.

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

Step 1: Identify the stimulus (bright light). Step 2: Identify the response (pupils getting smaller). Step 3: This is a reaction to an external change.

Correct answer: respond to changes around them

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