Which of the following is most clearly a case of density-dependent population re

Question

Which of the following is most clearly a case ofdensity-dependent population regulation?

• the summer drying of savanna grass for aninsect that feeds on grass sap • a dangerous new flu strain that istransmitted among humans by sneezing • the first hardfrost of fall for a population of annual morning gloryvines • the growth of shadetrees over a population of sun-loving shrubs in an abandonedfield
• the occurrence of rainstorms for anopportunistic desert annual • the summer drying of savanna grass for aninsect that feeds on grass sap • a dangerous new flu strain that istransmitted among humans by sneezing • the first hardfrost of fall for a population of annual morning gloryvines • the growth of shadetrees over a population of sun-loving shrubs in an abandonedfield
• the occurrence of rainstorms for anopportunistic desert annual

Explanation / Answer

B) a dangerous new flu strain that is transmitted among humans bysneezing A dangerous disease that can be easily transmitted can ravage adensely packed population while people in rural areas may havelimited contact with the pathogen. The others don't reallyhave much to do with population density

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