Time Zones 4 - Unit 6

A: Did you know that coral reefs are made of the skeletons of tiny sea creatures? B: _____

• Really? That's fascinating!
• No, they change shells.
• Yeah, I have.

A: Do you know why hermit crabs change shells? B: Yeah, because _____

• you're telling me.
• they live in abandoned snail shells.
• they grow too big for their old ones.

A: _____ B: No! What is it?

• Where do narwhals live?
• Have you seen a sea creature like this before?
• Do hermit crabs live in the same shell all their lives?

A: Did you know that people used to think this sea animal was half-woman, half-fish? B: No way! _____

• If they don't like it, they go back to their old one.
• We went to the aquarium last weekend.
• You're telling me people thought this creature looked like a woman?

Fur seals are known for their thick fur coats, _____.

• which is home to many marine species
• which allow them to survive in extremely cold ocean waters
• which is a type of fish

The Great Barrier Reef, _____, covers nearly 350,000 square kilometers.

• which is home to many marine species
• which allow them to survive in extremely cold ocean waters
• which is a type of fish

My teacher, _____, taught us about dolphins last week.

• who knows a lot about marine mammals
• which allow them to survive in extremely cold ocean waters
• who lived in the 1800s

The seahorse, _____, uses its tail to grasp objects

• which is home to many marine species
• which allow them to survive in extremely cold ocean waters
• which is a type of fish

Charles Darwin, _____, discovered new species of plant and animal life during his lifetime.

• who knows a lot about marine mammals
• which allow them to survive in extremely cold ocean waters
• who lived in the 1800s

Choose the word that has the opposite meaning with this definition: to leave or disappear.

• attract
• remain
• warn