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Factors that influence Population Size - Coggle Diagram
Factors that influence Population Size
Immigration
Arrival of new residents that previously belonged to another population
Increases Population
Death Rate
Birth Rate
Emigration
departure of individuals that take up permanent residence elsewhere
Decreases poulation size
definition
Population size is the total number of individuals in a population.
Density- Dependent factors
crowding increases
Parasitism
Disease
Predation
Density-Independent Limiting Factors
Flood
Oil Spill
Hurricane
Carrying Capacity
The number of individuals in a specific species that a population can support indefinitely
Resources
Competition