Answer:
(c) Population growth means increase
in its size and is determined by addition and loss of individual in a
population. Population density is the number of individuals present per unit
volume/area at given time.
Thus, mortality and emigration would
necessarily decrease the density of a population in a given habitat due to loss
of individual result from mortality (deaths) and emigration.
When natality rate will be more
than mortality rate and increased immigration rate mould necessarily increase
the density of a population.
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