Which of the following best describes elements of a stable ecosystem
a. the cyclical increase and decrease of a population of algae in a lake
b. a sudden decrease in a predator population in a forest
c. a steady increase in carbon dioxide levels in the atmosphere
d. the slow depletion of nitrogen in the soil of a meadow
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Which of the following best describes elements of a stable ecosystem
a. the cyclical increase a...
a. the cyclical increase a...
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