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Which one of the following is one of the characteristics of a biological community?
A
Sex-ratio
B
Stratification
C
Natality
D
Mortality
Detailed Solution
A population has attributes that an individual does not have: birth rate (natality), death rate (mortality), sex ratio and age distribution.
A biological community is an assemblage of populations of different species; its characteristics include species composition, dominance and stratification.
Stratification is the vertical distribution of different species occupying different levels, e.g., trees in the top layer, shrubs in the second and herbs and grasses in the bottom layer of a forest.
Hence stratification is a characteristic of a biological community.
A biological community is an assemblage of populations of different species; its characteristics include species composition, dominance and stratification.
Stratification is the vertical distribution of different species occupying different levels, e.g., trees in the top layer, shrubs in the second and herbs and grasses in the bottom layer of a forest.
Hence stratification is a characteristic of a biological community.