SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Age of animals
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Carrying Capacity
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Population Density
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Symbiosis
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Detailed explanation-1: -Population density is the average number of individuals in a population per unit of area or volume. For example, a population of 100 insects that live in an area of 100 squar e meter s has a density of 1 insect per square meter.
Detailed explanation-2: -Persons per square mile-population and housing unit density are computed by dividing the total population or number of housing units within a geographic entity by the land area of that entity measured in square miles or in square kilometers.
Detailed explanation-3: -In the U.S., population density is typically expressed as the number of people per square mile of land area. The U.S. value is calculated by dividing the total U.S. population (316 million in 2013) by the total U.S. land area (3.5 million square miles).
Detailed explanation-4: -The population density of a certain 750 square mile area in 1980 was 1077 people per square mile.