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hey can't see in the dark so they use an echo type of thing that hits objects and repels back to them to let them know what is there.
No, depending on what type of animal. Bats, for example, are nocturnal animals but they use echolocation, so it would count as the touch sense, and the smell sense. Other animals, and jungle cats, use scent and sight, mostly to hunt prey and get around. Of course they have the other senses, they just might not be as sharp or useful as their eye sight.
shark lion fish whales and dolphins and alot other kind
Killer whales, as they have no natural predators besides humans who hunt or capture them. However, others may say blue whales or great white sharks.
Rat poison.
They use ultrasonic. The sound they use to locate objects that may be invisible.
sound waves
Echolocation is a type of radar bats use to fly blind. The bats send out pulses of super sonic sound and navigate by the speed of the pulses return from what they bounced ( echoed ) off.
Whales don't make sounds like we do. The three most common sounds a whale makes are clicks, whistles, and a type of call. Whales make the sounds by pressing air between balloon like structures which are located in their head.
Bats can detect bio-sonar. They use it for echolocation.
Bats produce some sounds for ''echolocation'' which are ultrasonic (beyond the range of human hearing). Because of their high frequency, humans are not able to detect them, meaning they cannot know what they actually sound like. However, some of the words used to describe these sounds are clicks, chirps and squeaks.
Bats emit a type of biological sonar which we call echolocation. They let out a loud, high-pitched sound (often above the range of human hearing) which bounces off any obstacles in its way, and then returns to the bat in the form of an echo. These return waves tell the bat how far away the obstacle is as well as its size and shape. These bats have large ears which are very good at understanding the information brought back to them by the echoed waves of sound.
SONAR is an acronym created by the navy that is the name of what they use to locate items under water. But if you wanted to, you could say the bats using echolocation on land is a type on SONAR. They basically both use sound to locate objects so they are really not very different at all.
A very flat, open landscape such as a prairie where they would have a hard time detecting anything through echolocation
homologous structures
Bats produce high frequency (also known as ultrasonic) sound waves, which they use as a type of sonar, to locate insects in the air.
no, krill is a type of fish that whales liketo eat.