Nov 3 - Animals Lecture #14 - Arthropods continued

Makes a note of position of the sun and then flys in

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makes a note of position of the sun and then flys in a straight line directly back to the hive (origin of bee lines) communicates direction of food source o goes back to bee hive and arrange itself relative vertical to the surface of the hive o does a waggle dance going up and down (communicates direction of the food source) performing straight line dance if food source is at an angle, orients itself relative to the surface at an angle relative to the surface at 30 degree to the right of the vertical; food at 30 degree to the right of the sun Distance? o Setting up feeding stations that set distances from the hive (60-350m) For researchers Found out waggle dance duration correlates to distance Distance of food source is determined by length of waggle Shorter the waggle dance, the closer it is o Won’t waggle dance less than 50m (uses a simpler round dance instead) How do they know to estimate the distance ? o flight time and energy expenditure not the case o another theory was the process of visual information processed of the route as its passing the terrain, it is using the surface of the terrain to indicate a distance
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  • Fall '08
  • Beekeeping, Honey bee, sensory receptor

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