In a specific area, the negros, aryans and mongolians are living. They constitute
A
Deme
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B
Monospecific population
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C
Polyspecific population
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D
Heterogenous population
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Solution
The correct option is B Monospecific population The monospecific population is the population of individuals of only one species. Negros, Aryans and Mongolians are all human beings belonging to same species.
The poly-specific population is the population of individuals of more than one species and it is generally referred to as a community in which the population is used for the group of individuals of any kind of organism.
A deme is a term for a local population of organisms of one species, that actively interbreed with one another and share a distinct gene pool. When demes are isolated for a very long time they can become distinct subspecies or species.
A heterogeneous population is one containing subpopulations of different types. Therefore, the correct answer is option B.