AP Biology : 8.4 Effect of Density of Populations- Study Notes

Exponential Growth
➢ Exponential growth occurs when a population is in an ideal environment
➢ Logistic growth occurs when a population is restricted; S-shaped curve

➢ R-strategists

  • tend to thrive in areas that are barren or uninhabited
  •  Reproduce as quickly as possible

➢ K-strategists

  •  Organisms are best suited for survival in stable environments
  •  Tend to be large animals
  • Long lifespans
  • Tend to produce few offspring
  • Don’t ave contend with competition from other organisms
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