Exploring the Depths of the Ocean

What does it mean " recreational scuba divers"?

• thợ lặn giải trí, nghiệp dư

• thợ lặn chuyên nghiệp

• thợ lặn giỏi

• thợ lặn mới vào nghề

Which marine animal is known as the apex predator?

• Whale shark

• Giant Pacific octopus

• Japanese spider crab

• Orca

How long can whale sharks live?

• 50 years

• 75 years

• 130 years

• 200 years

What phenomenon occurs if a diver rises too quickly to the surface?

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What is notable about the Japanese spider crab?

• It has long legs

• It has a large body

• It is a deep-sea fish

• It is bioluminescent

Please draw a "shallow coral reef"

At 65 feet, there's a whole new world opening before your eyes.

Shallow (a)   reefs are standing beautifully not far from the shore,

These whales .............. the relatively shallow waters of almost every sea and ocean in the world

• live

• inhabit

• habit

• stay

Did you know that they're the apex predators, by the way?

It means they have no natural ..............., and no one can take them down.

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at 330 feet, they'll have to be very ........... not to get decompression sickness.

• uncareful

• relax

• notice

• cautious