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Lesson: Osmosis: A Special Form of Diffusion
Field Museum Extensions
a. Related Exhibitions
1. Evolving Planet. Be sure to see our larger than life models of eukaryotic
and prokaryotic cells located in the Precambrian gallery.
2. For more information on Evolving Planet, see the exhibition Educatior
Guide at www.fieldmuseum.org/evolvingplanet/educational_3.asp
b. Field Museum science/website resources
1. Visit www.fieldmuseum.org/evolvingplanet/Precambrian_3.asp and view
a model of a prokaryotic cell. Prokaryotes are tiny, single-celled
organisms; they were the first forms of life, and they still exist today
(bacteria are prokaryotes!).
2. See www.fieldmuseum.org/evolvingplanet/Precambrian_5.asp and view a
model of a eukaryotic cell. Eukaryotic cells are different from other cells
(prokaryotes) because they have a nucleus, which contains the cell’s DNA,
and other specialized compartments. These different compartments
perform different tasks within the cell.
3. View www.fieldmuseum.org/evolvingplanet/Precambrian_10.asp and
examine the oldest known prokaryote fossils, magnified nearly 5,000
times.
4. Explore www.fieldmuseum.org/evolvingplanet/Precambrian_11.asp and
view an image of a 2.1-billion-year-old fossil of algae. This is the oldest
known fossil of a eukaryotic organism!
5. Visit www.fieldmuseum.org/research_collections/pritzker_lab/pritzker/ to
learn about the Field Museum’s Pritzker Laboratory for Molecular
Systematics and Evolution, dedicated to genetic analysis and preservation
of the world's biodiversity. Explore the Lab Projects and Users and Staff
links to learn more about the specific research being undertaken in the
Museum’s laboratory facility. A wonderful opportunity to discuss careers
in science with your students!