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On an icy morning our rhodadendron plant looks like this with leaves rolled tight and narrow. |
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A few hours later when the temperature reached the upper 20's the leaves relaxed and unfurled. |
Yureka! Woodchuck walks by these plants daily as he comes and goes along the front walk. One day he says, "these plants have a life of their own - one time the leaves are plump and the next they are skinny!" Further observation revealed a direct relationship to air temperature. Sciencemarches on.
The Lord God who has created the heavens and the earth came up with this innovation to protect the leaf cells when exposed to extreme cold.
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