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Which of the following claims about population size and density is accurate?
A population with a high density always has a large size.
Population size is a better indicator of resource availability than population density.
Population density is a more important factor in determining population growth rate than population size.
The carrying capacity of a given area has no effect on population size or density.
Answers (1)
Correct option (c)
Population size is the overall number of people in a population, whereas population density is the number of people living in a particular area or volume. Although they are not the same item, they are connected.
For correct Option C
Because it impacts resource availability, resource competition, and disease transmission, population density is a key factor in determining the population growth rate. Low survival and reproduction rates may come from increased resource competition brought on by a high population density in a small area.
A low population density, on the other hand, may restrict opportunities for social interaction and mating, which may have an impact on the rate of reproduction.
For Incorrect Option A
because population density and size are not always correlated. For instance, if the region in which they dwell is tiny, a population with a high density may have a small size.
For Incorrect Option B
because population size by itself does not always indicate whether resources are available. For instance, a huge population with an abundant resource base might still be able to support itself, whereas a smaller population in a place with few resources might find it difficult to live.
For Incorrect Option D
The carrying capacity of a place is the most people who can be maintained by the available resources, hence it undoubtedly affects population size and density, refuting Option D.
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