Which Example Is Most Clearly a Case of Density-Dependent Population

question 54

Multiple Choice

Which example is most clearly a case of density-dependent population regulation?

• A) the summer drying of savanna grass for an insect that feeds on grass sap
• B) a dangerous new flu strain that is transmitted among humans by sneezing
• C) the first hard frost of fall for a population of annual morning glory vines
• D) the occurrence of rainstorms for an opportunistic desert annual

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