Death of your Lake.

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Presentation transcript:

Death of your Lake

Death of your Lake

Death of your Lake pH Level Consequences # species dead 8.0 7.0 6.6 6.0 5.9 5.8 5.7 5.6 5.5 5.0 4.5

pH level = 8.0 All species are healthy. The lake is healthy. How many total species have died?

pH Level = 7.0 Salamander eggs do not develop for Species A How many total species have died?

pH Level= 6.6 Snail species begin to die off. How many total species have died?

pH Level= 6.0 All of the tadpole shrimp and salamander eggs of Species B die How many total species have died?

pH Level= 5.9 Many fish of species I and II do not survive. How many total species have died?

pH Level = 5.8 Bacterial decomposers no longer live in the lake. How many total species have died?

pH Level= 5.7 All of the plankton do not survive. How many total species have died?

pH Level= 5.6 The trout, small mouth bass and the walleye eventually die off. How many total species have died?

pH Level= 5.5 Aquatic Plants, suckers, the northern pike and the pike cannot survive the conditions in the lake. How many total species have died?

pH Level= 5.0 All of the fauna are now removed from the lake. How many total species have died?

pH Level = 4.5 The last remaining species include all of the fish, frogs and many insects have died. How many total species have died?

Graph your Results Line Graph X-axis: pH Level Y-axis: Total number of species that have died Be careful to make sure your axes are to scale!!!

Conclusions Discuss the questions with your elbow partner. Write your answers in your notebook.