Quick quiz

Shark in Aquarium

4 questions · click an answer to see how you did.

1. 1. What is a shark's skeleton made of?

   💡 Think about what your ears are made of.

   Bones Cartilage Shells Rocks

2. 2. How long have sharks been swimming in the ocean?

   💡 They were here even before dinosaurs!

   About 100 years About 1,000 years Over 400 million years About 10,000 years

3. 3. Why are sharks important for the ocean?

   💡 Think about how they help other fish stay healthy.

   They eat sick or weak fish, keeping fish populations healthy They clean the water They build coral reefs They help plants grow

4. 4. Look closely at the picture of the shark in the aquarium. What do you notice about its skin or how it moves?

   💡 Does it look smooth or rough? Does it swim fast or slow?

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