[Campbell Biology P.1239] Which of the following combinations of factors would most likely le... | Practice Question

Which of the following combinations of factors would most likely lead to a significant decrease in population size?

  • A: Increased births and increased immigration.
  • B: Increased deaths and increased emigration.
  • C: Decreased births and decreased deaths.
  • D: Decreased immigration and increased births.

Explanation

Population size is influenced by four main factors: births and immigration which increase size and deaths and emigration which decrease size . An increase in factors that remove individuals deaths and emigration will most directly lead to a decrease in population size.