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Cartage.org: Mature Root Cross Section
This thorough lesson provides a wealth of root related information ranging from the anatomy of a root to the different types of roots that exist. Many photos and drawings provide clarity to the text.
Science Education Resource Center at Carleton College
Serc: Observing Cell Division
In this activity, students make microscopic observations of onion root tips, discuss them with classmates, then make detailed drawings that are shared.
Other
Ohio Department of Education: Cell Division and Differentiation
In this instructional activity, students use hands-on activities and journaling to learn about the process of mitosis, meiosis and cell differentiation. Hands-on activities include modeling of the mitosis and meiosis processes with model...