go over green river topography wed night

biomagnification questions

Biomagnification 1. What is biomagnification? 2. What does it have to do with a food chain? 3. What happens if you eat certain foods that are high on the food chain? 4. What kinds of contaminants in food can occur by biomagnifications? . 5. What is the most amount of mercury allowable in fish according to the FDA? 6. Who is most at risk of mercury contamination? 7. What kinds of fish put you most at risk?

lab report will be finished in class on Monday, bring in your data.

Test Wed.

If you were out Monday

Invasive species have affected our waterways after they were introduced. How do these invasive species affect the ecosystem? Choose one invasive aquatic plant and one invasive aquatic animal. Choose three of the four topics below to write about (define each, describe how these species affect the topic, give ¬real examples with real names of organisms affected from the in class research). There is a minimum of 3 sentences per topic or a 9 sentence minimum for each organism (2 pages). I. role in the ecosystem II. Flow of energy III. Abiotic factors IV. food chain/web

Thur friday in class work

With respect to Abiotic factors, biotic factors(community/biodiversity), trophic pyramids, flow of energy in the ecosystem, how do these invasive species (Zebra and Quagga mussels) affect the Great Lakes? I D E E format

Test on Wednesday on fish

fish presentation due Friday

You will present your fish on Friday. Be prepared to answer questions. Make sure you have everything that is mentioned in the expetations.