Logistic Growth Growth of a population slows or stops as resources become less available S curve

Carrying Capacity The largest number of individuals that a given environment can support at a given time

Stable Population Carrying Capacity (K) Expontential Rapid Growth Slow Growth

Factors that cause population growth to decrease Limiting Factor Factors that cause population growth to decrease

Density-Dependent Factors A limiting factor that depends on population size Factors: Predation Competition Parasitism Disease

Density Independent Factors Affect all populations regardless of size Examples Weather Natural disasters Human activities