Download e-book for iPad: Animal Communication (Animal Behavior) by Stephen M. Tomecek

By Stephen M. Tomecek

ISBN-10: 1604130911

ISBN-13: 9781604130911

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Additional info for Animal Communication (Animal Behavior)

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In the animal kingdom, a scent can send messages, especially to members of the same species. Scents can be used to mark a territory, defend the turf, find a mate, and tell other animals where they can find food. 35 36 AnimAl communicAtion The chemicals that send signals in the animal kingdom are called pheromones. ” The olfactory organs of animals pick up pheromones. These organs usually are found in the nose. As a result, pheromones often are connected to an animal’s senses of smell and taste.

Still, our fine-feathered friends aren’t the only animals that use intricate vocal signals to attract a mate. In fact, some have even had their songs turned into hit records. The reason that humans aren’t familiar with these other caroling creatures is that most live under water. As it turns out, many species of fish and marine mammals “sing” to attract mates. In the Pacific Ocean off the coast of Washington State lives a fish called a midshipman. Like many species of fish, midshipman males build nests with their tails in tidal pools along the shore.

Every sound that happens in the animal kingdom is the result of something vibrating. A sound moves out from its source in a series of energy pulses called sound waves. These are like the ripples that move across the water after you throw a rock in a pond. The waves on a pond can be large or small, and so can sound waves. The height of a wave is called the amplitude. The more energy a sound wave has, the larger its amplitude and the louder the sound. Scientists measure the intensity or loudness of a sound by a unit called the decibel, or dB for short.

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Animal Communication (Animal Behavior) by Stephen M. Tomecek


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