Question

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7.
is an electronic version of echolocation used by bats and dolphins.​

Answer 1

Answer:

Interestingly, dolphins and other animals such as porpoises, bats, and whales share a unique way of “seeing” the world through echolocation, also called sonar. ... In other words, dolphins can emit and receive the echoes of sound waves that bounce off any objects near them in the water.

Answer 2

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Answer:

Echolocation is a technique used by bats, dolphins and other animals to determine the location of objects using reflected sound. This allows the animals to move around in pitch darkness, so they can navigate, hunt, identify friends and enemies, and avoid obstacles.