Bibliography

http://www.bchs.k12.va.us/BCHS-Webpage/HSWEBPAGE/SchoolSite/assets/plantcell.gif
http://www.phschool.com/science/biology_place/labbench/lab3/images/stages2.gif
http://staff.kings.edu/kdils/StudentWork/Kalinay%20Lessons/lesson_plan_3_files/image007.jpg
http://www.enchantedlearning.com/subjects/animals/cell/anatomy.GIF