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Factors that Influence Population Size, Natural…
Factors that Influence Population Size
Population Growth
Mutualism
Advantageous species interaction growth
Birth rate
Individual rates
Immigration
Individual diversity
Habitat expansion
Access to new areas or roles
Abundant resources
Nutrition resources, water and shelter
Low mortality
Survival & reproduction rates
Favorable environmental conditions
Optimal temperature & climate
Population resilience
Population Regulation
Death rate
Population size
Emigration
Individual leaves population
Density dependence
Predation
Natural population check
Parasitism & disease
Competition
Access to resources
Density independent
Natural disasters
Human activity
Pollution, habitat loss & overexploitation
Opens
Leads to
Supports
Increases
leads to
Enables
Increases
Reduces
Increases
Affect
Pushes
Influenced by
Acts as
Helps
Increases
Leads to