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View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 18 of 22

A queen bumble bee (Bombus bifarius) foraging for nectar on a flower of Erythronium grandiflorum (glacier lily). This flower has frost-sensitive ovaries. Bumble bee queens and hummingbirds are...

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View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 17 of 22

The glacier lily (Erythronium grandiflorum) is one of the earliest wildflowers to bloom after snowmelt in the Rocky Mountains. Its ovaries and seeds are sensitive to late-season frosts. But...

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View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 15 of 22

Photo of an early-stage inflorescence of tall larkspur (Delphinium barbeyi) after a mid-June snowstorm at the Rocky Mountain Biological Laboratory. The buds were killed by the cold temperature. Like ...

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View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 13 of 22

Delphinium barbeyi, or tall larkspur, flowering in a year with no frost damage. Photographed (by David Inouye) in front of Gothic Mountain, at the Rocky Mountain Biological Laboratory. Altitude about...

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View Resource Pathways to Scientific Teaching, Chapter 5a of 7: Novel assessments: detecting success in student learning

This article illustrates how multiple methods can be used to assess student understanding of the “novel weapons hypothesis” presented in the Callaway and Ridenour review of theories regarding...

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