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Population Growth - Coggle Diagram
Population Growth
human birth rates
replacement fertility rate
age structure
total fertility rate
reproductive base
logistic growth
carrying capacity
(r x N) (K-N)/ K= G
S- shape curve
Growth Rate
r- selection
resources abundant
density low
K- selection
population near carrying capacity
limiting factors
density- dependent
parasitism and disease
intraspecific competition
resources
births slow, deaths rise
population growth decreases
density- independent
weather- related events
human- caused events
natural disasters
crowding has no influence on population