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Students use tree identification books to find the source of their leaves, labeling each leaf. They can also use the downloadable leaf classification worksheet available on the Internet. (See "Tools and Resources"). ... Classify the leaves by these characteristics...
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edcommunity.apple.com/ali/item.php?itemID=143
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broadleaf; A tree with leaves that are flat and thin, and generally shed annually. ... evergreen; Trees with needles or leaves that remain alive and on the tree through the winter and into the next growing season.
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www.arborday.org/trees/glossary.cfm
www.arborday.org/trees/glossary.cfm
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It may be in one unit, in which case the leaf is called a simple leaf, or it may be divided into numerous small parts that look like individual leaves and which form a compound leaf. It may be difficult to tell whether one is looking at a simple leaf or the leaflet (pinna) of a compound leaf.
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www.botany.uwc.ac.za/ecotree/leaves/LeaftypeA.htm
www.botany.uwc.ac.za/ecotree/leaves/LeaftypeA.htm
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The aptly named What Tree Is It? web site will walk you through the identification process step ... Using either site, you'll need to have your leaf in hand and be prepared to answer some of the following questions: Are the leaves needle-like, scale-like, or broad and flat? Are they single or in bunches? Simple or compound?
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ask.yahoo.com/20020604.html
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Now you are ready to use your Tree Taxonomy Guide to help you as you observe, identify and classify trees on our school playground during the Name Those Trees Contest. Good luck. ... three different leaves to show this tree group...
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www.aacps.org/aacps/boe/INSTR/CURR/comed/es/webquest/Cl...
www.aacps.org/aacps/boe/INSTR/CURR/comed/es/webquest/ClassifyingTrees_files/ClassifyingTrees.htm
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and alternate, when only on leaf is attached at each node and leaves are arranged in spirals around the twig. Types and arrangements of leaves are shown in Figure 1. In addition to leaf type and arrangement, taxonomists use features like leaf size, shape, color, texture, and venation to identify and classify trees.
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www2.lv.psu.edu/jxm57/trees/tree_identification.htm
www2.lv.psu.edu/jxm57/trees/tree_identification.htm
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Tree leaves keep cool through constant evaporation and reducing sun exposure through leaf angles or reflective qualities. Warmth is gained by decreasing evaporation and increasing the number of leaves per branch.
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www.terradaily.com/reports/Hot_climate_or_cold_tree_lea...
www.terradaily.com/reports/Hot_climate_or_cold_tree_leaves_stay_in_comfort_zone_study_999.html
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Looking for a tree? Most trees can be identified by their leaves. Look at the pictures below to find your leaf. Keep in mind, the pictures are not to scale; for instance, in the top row the picture of American Holly is the same size as the Flowering Dogwood, even though the dogwood leaf is usually larger than a holly leaf.
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www.fcps.edu/islandcreekes/ecology/quickidtreeleaves.ht...
www.fcps.edu/islandcreekes/ecology/quickidtreeleaves.htm
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But then they got to know their little oak tree and its leaves. Working closely with their tree, they noticed how all the leaves don't change at the same rate or fall off the tree at the same time. In fact, some leaves will likely stay on the tree for quite some time, looking brown, wilted and ugly.
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www.boston.com/news/local/articles/2005/11/10/reading_t...
www.boston.com/news/local/articles/2005/11/10/reading_the_tree_leaves?mode=PF
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