COMM 415 1st edition Lecture 24 Outline of Last Lecture I. Animal CommunicationOutline of Current Lecture II. Space & TerritoryIII. VocalizationIV. Tactile CommunicationCurrent Lecture(24)Tuesday, April 28, y***ANIMAL COMMUNICATION VIDEO*** 11:00AM-11:50AMI. Space & TerritoryA. perfect balance of costs (energy to defend) with benefits (food, mates)B. some only defend territory during the breeding season C. spacing out from neighbors decreases the effect of predation and disease D. usually territory is only defended against members of same species who will consume same resources 1. animals only defend against creatures that threaten food, mate, shelter isolated to species II. VocalizationA. producing sound by vocal apparatus occurs in ONLY vertebrates B. designed to influence motivational states of other animalsC. specialized structures1. air chambers 2. larynx3. syrinx D. methods of producing sound1. beating a substrate/surface2. rubbing appendages 3. blowing air though an orifice E. using sounds to communicate1. in thick foliage have low pitch calls carry better through obstructions 2. in open air have high pitched calls that cut through the open air3. animals partition the airwaves like radio stations4. animals that live out of sight with each other have more developed vocabularies 5. humans have a sophisticated vocal production apparatus but limited in terms of loudness and frequency range These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.III. Tactile CommunicationA. primates are some of the top users of tactile communication, but less so in humans B. grooming is a sign of affection and bonding C. among the great apes, hand shakes are used to convey
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