Standard Science Primary 3 Diversity

Stan added yeast and sugar to some warm water. After 30 minutes, he saw many bubbles and the mixture had increased in volume. Which characteristic of living things does this show?

A Living things can reproduce.
B Living things can grow.
C Living things need air, food and water.
D Living things respond to changes.
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Worked Solution

Step 1: Yeast is a living fungus. Step 2: In the presence of sugar (food) and warmth, yeast reproduces quickly. Step 3: The production of gas bubbles and volume increase is a sign of biological activity and reproduction.

Correct answer: Living things can reproduce.

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