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Factors Affecting Size of Population, i) Birth ra, iii) Migration, ii)…
Factors Affecting Size of Population
.
immigration
emigration
.
.
competition
predation
diseases
food availability
.
temperature
humidity
salinity
acidity
rainfall
natural phenomena
i) Birth ra
iii) Migration
ii) Death rate
iv) Biotic factors
v) Physical (abiotic) factors
i) Birth rate