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Essential Study Partner Activities |
Chapter 25: Dynamics of Ecosystems |
ECOLOGY/Ecosystems/Energy Flow/screen 6
What happens to the energy of the organisms that feed on decomposers?
Is the amount of energy available to animals that eat plants the same as the amount of energy that was obtained from the sun in photosynthesis? Explain.
ECOLOGY/Ecosystems/Nutrient Cycles/screen 5
Modern corn farmers inject ammonia gas into the soil. Why do they do this, and how do the plants benefit?
ECOLOGY/Ecosystems/Biomagnification/screen 2
Which of these organisms would be most affected by biomagnification of a toxin? Explain.
a) Big Bluestem prairie grass, b) a mouse, c) a sparrow, d) an owl
ECOLOGY/Human Impact/Air/screen 6
Why does the snow and ice melt in spring and summer result in an increased acid pulse in a lake?
Why do the lakes in the eastern part of the U.S. seem to have more of a problem with acidity than in the west?
ECOLOGY/Ecosystems/Nutrient Cycles/screen 3
There are five sinks in which carbon resides during it's cycle in the biosphere, what are they?
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