Echolocation

What unique ability allows dolphins to navigate and hunt in the dark depths of the ocean?

• Echolocation

• Bioluminescence

• Night vision

• Thermal detection

Which of the following animals also shares the ability of echolocation with dolphins?

• Elephants

• Bats

• Lions

• Giraffes

How do dolphins emit ultrasonic clicks?

• By snapping their tails

• By clapping their fins

• By whistling through their blowholes

• By pushing air between the nasal passages

What organ in dolphins concentrates and amplifies sound pulses for echolocation?

• Bladder

• Melon

• Lung

• Liver

How can dolphins determine the shape, size, speed, and direction of objects around them?

• By sensing vibrations in the water

• Through the interpretation of echoes

• Through their sense of smell

• By using their eyesight

Tags

NGSS.MS-LS1-8

Who was one of the first people to study dolphin echolocation in depth?

• Jacques-Yves Cousteau

• Albert Einstein

• Charles Darwin

• Isaac Newton

What is the probable reason for the evolution of echolocation in dolphins?

• To attract mates

• To perform tricks

• To communicate with other species

• To survive in the sea's harsh environments

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

What frequency do dolphins use when echolocating?

• Up to 130 kilohertz

• Up to 200 kilohertz

• Up to 50 kilohertz

• Up to 75 kilohertz

Tags

NGSS.MS-LS1-8