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Unformatted text preview: conspicuousness of the signaler. Zahavi's handicap principle states that an honest signal must be costly to the signaler, meaning that only fit individuals can signal honestly. This principle is especially important in activities such as mate selection, in which finding a truly fit individual is extremely important. There are many types of signals, each with its own advantages and disadvantages. Among these are: chemical signaling, such as scent marking; visual signaling, which while limited to individuals in a direct line of site can be much more dynamic than other types of signaling; and acoustic signals, which are often among the most wide-reaching signals. Acoustic signals such as bird and whale songs have both genetically pre-determined and learned components and can be used to distinguish individuals or living groups....
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This note was uploaded on 01/27/2012 for the course BIOLOGY BSC1005 taught by Professor Rodriguez during the Winter '09 term at Broward College.
- Winter '09