Descubre cómo los delfines usan ultrasonidos para comunicarse

The video discusses how dolphins communicate using chirps, whistles, and clicks, which travel faster in water. Each dolphin has a unique whistle for identification, similar to human names. Dolphins can produce and hear ultrasound, which is beyond human hearing range. Observing dolphins in the wild allows us to hear some of their sounds, though not all.

How do dolphins primarily communicate with each other?

• By changing colors

• Using chirps, whistles, and clicks

• Through written symbols

• Through body language

How does the speed of sound in water compare to that in air?

• It travels at the same speed

• It does not travel in water

• It travels 5 times slower in water

• It travels 5 times faster in water

What is the purpose of a dolphin's distinctive whistle?

• To locate food

• To scare away predators

• To identify itself to other dolphins

• To navigate through water

Why are some dolphin sounds inaudible to humans?

• They are too low-pitched

• They are too high-pitched

• They are too quiet

• They are only made underwater

What is the term used for the high-pitched sounds produced by dolphins?

• Hypersound

• Megasound

• Ultrasound

• Infrasound