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Population Size - Coggle Diagram
Population Size
can be affected by
birth rate
which is defined as
the number of individuals born in a population during a given amount of time
death rate
which is defined as
the number of deaths in a particular population during a given amount of time
immigration
which is defined as
the act of settling permanently into a population which was not their original population
emigration
which is defined as
the act of leaving one's population to settle permanently elsewhere
is defined as
a quantity that represents the number of individual organisms in a population
can
decrease
due to
higher death rates and lower birth rates within a population
due to
more emigration and less immigration within a population
can
increase
due to
less emigration and more immigration within a population
due to
lower death rates and high birth rates within a population
can be affected by
additonal factors
such as
environmental factors
such as
predation
such as
disease
such as
competition
such as
climate change