Movie: Concentrating the nectar

When a bee regurgitates a droplet of nectar, the water evaporates and its sugar content becomes more concentrated. Sugars in the nectar ensure that the bee has a supply of energy to keep up with their muscles, but the concentration needs to be about 30% for maximum output. Many Australian native flowers produce dilute nectar, but flowers that primarily depend on bees for pollination have nectars with sugar concentrations of 35% or more.

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© Michael Batley
Cinematographer:
Michael Batley

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Tags bees, nectar, nectar concentration, pollinators, teachers resource,