Biology Reference
In-Depth Information
dance decreased with more stored pollen. h is shows that pollen forag-
ers are able to make assessments of local pollen stores. Figure 2.2 shows
a cartoon of a returning pollen forager assessing empty cells on a comb.
She has a response threshold of 20 empty cells. If she encounters 20 or
more empty cells, she will unload and make another foraging trip. If
f
20
f
22
22 Empty Cells
21 Empty Cells
Figure 2.2.
Upper panel: Cartoon showing the response relationship between
the stimulus level (empty cells) and behavior, and the correlation between
behavior and the stimulus. Lower panel: Actual comb from colony showing
stored pollen. Used with permission from the Berlin-Brandenburgische
Akademie Der Wissenschat en, Page RE, h e “spirit of the hive” and how a
superorganism evolves, 513-532, 2010.
