Wednesday, January 19, 2011
Lake Core Investigation by Blake and Katie
Question: How have the species of diatoms changed from the bottom to top?
Claim: A lot of the species of diatoms have changed from the bottom to top.
Evidence: We found out that there are two common diatoms for top and bottom. for the top the two common diatoms are Navicula and Pinnularia, for the bottom the two common diatoms are Gyrosigma and Fragellria.