Lecture Quiz #12

Lecture Quiz #12 - Lecture Quiz #12 due: 12/7/08 A worker...

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Lecture Quiz #12 due: 12/7/08 A worker bee just returned to the hive and starts a round dance. This round dance shows to the other bees that: the food source is < 50m away the food source is towards the sun the food source > 50 m away the food source is towards east the food source is on the opposite side of the hive from the sun Fruit flies do NOT use the following signal during courtship: visual tactile auditory chemical electrical ??? Which of the following is the BEST STATEMENT about the advantages of using secreted chemicals as a means of communication as compared to other means such as sound or sight? Unlike sight, chemical signals can be detected during the day or the night. Chemical signals can be sent over very great distances. Chemicals can carry a message even when only small amounts are emitted. Chemical signaling can persist for long periods of time. All of the above are advantages of using chemical signals for communication. Please choose the BEST answer from the following list.
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This note was uploaded on 04/03/2009 for the course BIO G 1101 taught by Professor Gilbert during the Fall '07 term at Cornell.

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Lecture Quiz #12 - Lecture Quiz #12 due: 12/7/08 A worker...

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