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Humans and Other Animals

Humans and Other Animals. Hearing Ranges. Humans can hear frequencies of sounds between 20Hz to 20,000Hz. Whales, dolphins, bats, and dogs can hear and produce higher frequency sounds than humans. S.O.N.A.R.

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Humans and Other Animals

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  1. Humans and Other Animals

  2. Hearing Ranges • Humans can hear frequencies of sounds between 20Hz to 20,000Hz. • Whales, dolphins, bats, and dogs can hear and produce higher frequency sounds than humans.

  3. S.O.N.A.R. • A method used by boats to locate objects underwater. A sound is emitted and the sound bounces off of objects and returns to a computer that measures the location of the object.

  4. Echolocation • A way of using sound to find objects in the environment • Animals generate a sound pulse • The sound bounces off of objects creating an echo that returns to the animal. • Different objects give off different kinds of echoes. • Dolphins and bats use echolocation.

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