The video introduces the sound made by a whale's blowhole and explains its significance.

What is the source of the mysterious noise mentioned in the video?

• A dolphin's whistle

• A bird's chirp

• A seal's bark

• A whale's blowhole

What is the primary function of a whale's blowhole?

• To catch prey

• To help them swim faster

• To breathe air

• To communicate with other whales

Which animal is known for using a blowhole to breathe?

• Shark

• Whale

• Octopus

• Penguin

How does a whale's blowhole differ from a fish's gills?

• Blowholes are located on the side, while gills are on the top

• Blowholes are used for communication, while gills are for breathing

• Blowholes are used for breathing air, while gills extract oxygen from water

• Blowholes are used for feeding, while gills are for swimming

What sound is associated with a whale's blowhole?

• A high-pitched squeal

• A loud roar

• A distinctive noise

• A gentle hum