1. What to turn in
Data tables from Monday. If you were absent, please write ‘absent.’ Everyone will answer 1-3
Read “activity 2” and USING ITS WORDING define: community, ecosystem, biomass, trophic level, producer, and energy loss (2 causes)
Read “Death in the Marsh” answer a & c and 1-4
Read “activity 6” and answer 1, 3-4, 6, and 7 a & b AND describe the role of bacteria and Astralagus
6. Make food web using cards—label where the selenium accumulated and where the most energy is found (by trophic level)

2. Questions from data page
Do 1-3, 6 and 7

4. Using the wording of this article, define: community, ecosystem, biomass, trophic level, producer, and explain the two causes of energy loss

5. A. What is the importance of Kesterson?
C. Explain what the cause of the ‘nightmare is.