Standard Science Primary 3 Diversity

A whale lives in the ocean and has fins like a fish, but it is classified as a mammal. Why?

A It can swim very fast.
B It has scales on its body.
C It breathes through gills.
D It produces milk for its young.
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Worked Solution

Step 1: Mammals are defined by having hair/fur and producing milk for their young. Step 2: Whales give birth to live young and suckle them. Step 3: This makes them mammals despite living in water.

Correct answer: It produces milk for its young.

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