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Factors That Influence Population Size - Coggle Diagram
Factors That Influence Population Size
change via
Increase in Population Members
includes
Immigration
includes
Births
change via
Decrease in Population Members
includes
Deaths
includes
Emmigration
population size is affected by denisty
Density-Dependent Limiting Factors
such as
Parasitism
such as
Disease
such as
Competition for a Limited Resource.
between members of a population
Intraspecific Competition
Affect that occurs on population size over time
Logistic Growth
population size levels off
Carrying Capacity
such as
Predation
population size is affected by factors not influenced by density
Density-Independent Limiting Factors
such as
Human Activities
such as
Climate Change
such as
Natural Disasters
measure of population growth
Growth Rate
affected by its members’
Life History
growth under optimal conditions.
Biotic Potential
if growth rate is greater than zero
Exponential Growth
population is affected by adaptive traits
Natural Selection
offspring that each have a higher probability of survival
K-selection
most amount of offspring is adaptive
r-selection