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Fig. 7. Experiment 4. Scent-triggered navigation in individual bees, trained
cyclically to a rose-scented, a lemon-scented, and an almond-scented feeder,
each placed at a different location. Pie charts show distribution of visits to
the three test feeders when the respective scents were blown into the hive
(white, former rose feeder; light grey, former lemon feeder; dark grey, former
almond feeder). In each experiment data are accumulated from four tests for
each scent, and are shown separately for first visits, circlings, landings and
total visits. The number of individually marked bees that visited all three
test feeders, the number of choices (N) and P-values
(observed vs expected frequency Chi2 Test) are shown below
the pie charts. The expected frequency, based on random choice among the three
test feeders, was 33%.
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