Written by the Fiveable Content Team โข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated August 2025
Definition
Density independent factors are environmental factors that affect populations regardless of their density. These factors include natural disasters, climate change, and pollution.
Abiotic Factors: Abiotic factors are non-living components of an ecosystem that can influence populations, such as temperature and sunlight.
Disruption Events: Disruption events refer to sudden disturbances in an ecosystem caused by natural disasters or human activities.
Extinction Events: Extinction events occur when large numbers of species go extinct within a relatively short period due to catastrophic events like asteroid impacts or volcanic eruptions.