what are the four factors that determine the growth rate of a population?
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What four factors determine the growth rate of a population? Immigration, births, emigration, and death determines growth rate of population. How does carrying capacity affect the size of population?
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["Latitude. A location's distance from the Equator helps determine its temperature and climate; farther north, cooler it gets.", 'Elevation. The higher up a place is, the cooler its temperature will be.', 'Ocean Currents. ... ', 'Nearness to the Ocean. ... ', 'Land Forms/Shapes.']
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As this equation shows, population change depends on three variables: (1) the natural increase changes seen in birth rates, (2) the natural decrease changes seen in death rates, and (3) the changes seen in migration.
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To calculate exponential growth, use the formula y(t) = a__ekt, where a is the value at the start, k is the rate of growth or decay, t is time and y(t) is the population's value at time t.
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Population Growth Rate The two main factors affecting population growth are the birth rate (b) and death rate (d). Population growth may also be affected by people coming into the population from somewhere else (immigration, i) or leaving the population for another area (emigration, e).
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When scientists think about population dynamics, they consider four major characteristics. These characteristics include population size, population density, population spacing, and age structure.
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1: Exponential population growth: When resources are unlimited, populations exhibit exponential growth, resulting in a J-shaped curve. When resources are limited, populations exhibit logistic growth. In logistic growth, population expansion decreases as resources become scarce.
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Population growth rate is how fast a population changes in size over time. It is determined by rates of birth, death, immigration, and emigration. Under ideal conditions, populations can grow exponentially. The growth rate increases as the population gets larger.
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['Biological determinants such as hunger, appetite, and taste.', 'Economic determinants such as cost, income, availability.', 'Physical determinants such as access, education, skills (e.g. cooking) and time.', 'Social determinants such as culture, family, peers and meal patterns.']
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There are four major factors which influence the nature and growth of vegetation. These are: climate, soils, nature of the surface, and man. Where the factors are favourable, plants grow well, where they are not, plant growth is slowed down.
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The rate of population growth is the rate of natural increase combined with the effects of migration. Thus a high rate of natural increase can be offset by a large net out-migration, and a low rate of natural increase can be countered by a high level of net in-migration.
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['Population: As expected, population increases result in labor force increases. ... ', 'Income: As state incomes grow, it attracts labor force entrants hoping to take advantage. ... ', 'Educational Attainment: A more educated society has a larger labor force.']
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(i) Supply of Natural Resources; (ii) Capital form action which depends upon the rate of domestic saving and investment and inflow of foreign capital; (iii) Growth of population; (iv) Technological Progress; and We examine below each of these factors in turn.
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Divide the result by the time in years to calculate the average annual growth rate. In the example, 0.41 divided by 3.62 produces an average annual growth rate of 0.11 in a continuously growing population. 6. Multiply the growth rate by 100 to convert to a percentage.
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Density-dependent limiting factors cause a population's per capita growth rate to change—typically, to drop—with increasing population density. One example is competition for limited food among members of a population. Density-independent factors affect per capita growth rate independent of population density.
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Economists generally agree that economic development and growth are influenced by four factors: human resources, physical capital, natural resources and technology. Highly developed countries have governments that focus on these areas.
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The main factors determining population distribution are : climate, landforms, topography, soil, energy and mineral resources, accessibility like distance from sea coast, natural harbours, navigable rivers or canals, cultural factors, political boundaries, controls on migration and trade, government policies, types of ...