Age Structure Diagram

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What is an Age Structure Diagram?

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A graphical representation of the distribution of various age groups in a population, typically showing the number of individuals in each age group.

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What does carrying capacity mean?

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The maximum population size that an environment can sustain indefinitely without being degraded.

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What is logistic growth?

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A type of population growth that starts off slow, then accelerates, and eventually levels off as it approaches the carrying capacity.

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What is exponential growth?

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A type of population growth that occurs when resources are unlimited, leading to a rapid increase in population size.

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What factors can affect carrying capacity?

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Availability of resources (food, water), habitat space, predation, disease, and environmental conditions.

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What does a pyramid-shaped age structure diagram indicate?

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A growing population with a high birth rate and a larger proportion of young individuals.

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What does a rectangular-shaped age structure diagram indicate?

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A stable population with low birth and death rates, where the population size remains relatively constant.

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What does an inverted pyramid-shaped age structure diagram indicate?

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A declining population with a higher proportion of older individuals and lower birth rates.

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How can age structure diagrams be used in population studies?

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They help predict future population trends, assess potential social and economic impacts, and inform resource management.

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What is the significance of the reproductive age group in an age structure diagram?

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It indicates the potential for future population growth, as individuals in this group are capable of reproducing.