![Bumblebees foraging on flowers](/fileadmin/_processed_/1/1/csm_0118Bluetenmuster-www_d14c5d0691.jpg)
The search for nectar costs insects a lot of energy, so they have to be as efficient as possible. Colourful patterns on the petals can help with that.
moreThe search for nectar costs insects a lot of energy, so they have to be as efficient as possible. Colourful patterns on the petals can help with that.
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