Image References
1.1: http://way2usefulinfo.blogspot.com/2013/01/some-differences-between-angiosperms.html#.VGZwMvnF9VM
1.2: http://galleryhip.com/black-oak-acorn.html
1.3: http://www.eatcology.com/how-squirrels-identify-oak-trees
2.1: http://wallpaper-kid.com/banana-leaf-wallpaper.htm
2.2: http://www.thehoneytreenursery.com/Flowering--and--Shade-Trees.php
3.1: http://www.americansouthwest.net/california/sequoia/tall-trees2_l.html
3.2: http://commons.wikimedia.org/wiki/File:Hypericum_perforatum_stem_cross_section.jpg
3.3: http://plantsstructureandreproduction77.wikispaces.com/structure2
3.4: http://www.sparknotes.com/biology/plants/plantclassification/section2.rhtml
4.1: https://online.science.psu.edu/biol011_sandbox_7239/node/7431
4.2: http://nextlevelnutrition.blogspot.ca/2010/09/sports-nutrition-basics-carbohydrate.html
5.1: http://fhs-bio-wiki.pbworks.com/w/page/12145794/Photosynthesis%20-%20leaf%20%20and%20pigments
5.2: http://bot1320.nicerweb.com/Locked/media/ch07/cottonwood.html
5.3: http://www.visualphotos.com/image/1x3743428/stomata_on_an_apple_tree_leaf_stomata_on_the
5.5: http://www.evolution.berkeley.edu/evolibrary/search/imagedetail.php?id=369&topic_id=&keywords=
5.6: http://www.metawallpapers.com/nature-leaf-with-water-drops-photo-wallpaper/