basic tree biology leaf veins |
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| navigate by keyword : arboriculture background basic biology blade botany carbon chlorophyll course ecosystem education elementary energy food forest forestry garden green important landscape leaf lesson liriodendron nature photosynthesis plan poplar purpose school science structural sugar support teaching transport tulipifera veins water yellow |
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| Leaf veins serve two essential roles for a tree. One is to provide structural support that allows leaf blade to stand upright and capture sunlight. It also serves as a circulation system that helps bring water up from roots and then send sugars downward throughout the tree following photosynthesis. |
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