To figure out the human population density of your community, you would need to know the number of people living there and
a. The land area in which they live
b. The birth rate of the population
c. The dispersion pattern of the population
d. The carrying capacity

Verified step by step guidance

Understand the concept of population density: Population density is defined as the number of individuals living in a specific area divided by the size of that area. It is typically expressed as individuals per unit area.

Identify the key variables needed to calculate population density: You need the total number of people living in the community and the total land area they occupy.

Eliminate irrelevant options: The birth rate (option b) refers to the number of births per unit time and does not directly relate to population density. The dispersion pattern (option c) describes how individuals are distributed within the area but does not provide a numerical value for density. The carrying capacity (option d) refers to the maximum population size an environment can sustain, which is unrelated to the current density calculation.

Focus on the correct variable: The land area (option a) is the relevant factor because population density is calculated as the number of people divided by the land area they occupy.

Conclude that to calculate the human population density of your community, you need the number of people living there and the land area in which they live (option a).

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Population Density

Population density is a measure of the number of individuals living in a given area, typically expressed as people per square kilometer or mile. It provides insight into how crowded or sparse a community is, which can influence resource availability, social dynamics, and urban planning.

Land Area

Land area refers to the total surface area of a specific region where the population resides. It is a critical factor in calculating population density, as the number of individuals is divided by the land area to determine how densely populated an area is.

Carrying Capacity

Carrying capacity is the maximum number of individuals that an environment can sustainably support without degrading the habitat. Understanding carrying capacity helps in assessing whether a population is living within its means or if it is at risk of overpopulation and resource depletion.