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A Transpiration of Delight


Isaiah 55:1

“For ye shall go out with joy, and be led forth with peace: the mountains and the hills shall break forth before you into singing, and all the trees of the field shall clap their hands.”

On certain days, especially in the morning, you can drive by a forested area and see the mist rising from hundreds of trees. Water vapor that has evaporated from the leaves has started to condense into visible droplets. It is an awesome sight! Truly a transpiration of delight!


Transpiration is that process whereby water is moved around green plants. From tiny shoots to enormous trees, plants need to get water to every part of their structure. Plants will take water in mostly through the roots. Water is needed throughout the plant but especially in the leaves, where it is one of the two raw materials for photosynthesis. Generally speaking, the roots of a plant are in the ground and the leaves are higher up. That means that the water must be made to move upwards, against gravity. This is especially noticeable when the plant is a tree.


Water can move through the plant in capillaries, but there has to be some mechanism to pump the water upwards. That mechanism is transpiration. Water is able to evaporate through stomates under the leaves because of the energy available from sunlight and lower atmospheric concentrations of water vapor, and, in the process, carbon dioxide can get into the leaves through the same stomates, which are basically like little holes, providing doorways into the leaves.


There is some debate as to whether transpiration causes the opening of the stomates or whether the carbon dioxide entering the leaves triggers the transpiration. Either way, this has all the appearance of a mechanism designed by God, and it works exactly as it was designed.


Prayer: Lord, Your word speaks figuratively of the trees of the field clapping their hands. And we applaud in praise of You when we consider what wonderfully designed mechanism trees are, made, like everything else, to declare Your glory. Amen.


Ref: Enclyclopaedia Britannica, < >, accessed 1/24/2018. Image: Laurel Jules, license: Creative Commons Attribution-Share Alike 3.0 Unported.




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