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11.Organisms and Populations
medium
Certain characteristic demographic features of developing countries are
A
High fertility, low or rapidly falling mortality rate, rapid population growth and a very young age distribution
B
High fertility, high density, rapidly rising mortality rate and a very young age distribution
C
High fertility, high density, rapidly rising mortality rate and a very old age distribution
D
High mortality, high density, uneven population growth and a very old age distribution
Solution
Developing countries show expanding population pyramid with maximum age distribution in pre-reproductive phase, $i.e.,$ a very young age distribution, high fertility and low mortality rate.
Standard 12
Biology
