Ecosystems


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Benchmark SC.BS.3.4
Explain dynamic equilibrium in organisms, populations, and ecosystems; explain the effect of equilibrium shifts
Sample Performance Assessment (SPA)
The student: Describes dynamic equilibrium in an organism, population, and ecosystem, including how a fluctuating state of approximate equilibrium is maintained (e.g., homeostatic mechanisms; growth of a population held in check by environmental factors such as depletion of food or nesting sites, predators, or parasites) and explains what happens if the equilibrium shifts (e.g., due to climate changes, immigration, emigration, birth and death rates).
Rubric
Advanced
Proficient
Partially Proficient
Novice
Explain and give examples of dynamic equilibrium in organisms, populations, and ecosystems; and compare the effect of equilibrium shifts
Explain dynamic equilibrium in organisms, populations, and ecosystems; and explain the effect of equilibrium shifts
Describe dynamic equilibrium in organisms, populations, and ecosystems or describe the effect of equilibrium shifts
Define dynamic equilibrium in organisms, populations, and ecosystems
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