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Questions and Answers
What characterizes exponential growth in a population?
What characterizes exponential growth in a population?
What is the primary focus of logistic growth models?
What is the primary focus of logistic growth models?
Which of the following factors is NOT considered a density-dependent factor?
Which of the following factors is NOT considered a density-dependent factor?
What happens during an overshoot in a population's growth?
What happens during an overshoot in a population's growth?
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What does biotic potential represent in population growth models?
What does biotic potential represent in population growth models?
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Which reproductive strategy is associated with species that typically produce few offspring but invest significant resources in their care?
Which reproductive strategy is associated with species that typically produce few offspring but invest significant resources in their care?
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What characteristic primarily describes a population pyramid indicative of rapid growth?
What characteristic primarily describes a population pyramid indicative of rapid growth?
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Which demographic parameter is often used to compare the health and longevity of populations in different countries?
Which demographic parameter is often used to compare the health and longevity of populations in different countries?
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What is the primary difference between r-selected and K-selected species in terms of their reproductive success?
What is the primary difference between r-selected and K-selected species in terms of their reproductive success?
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Which of the following best describes the infant mortality rate in developed countries compared to developing countries?
Which of the following best describes the infant mortality rate in developed countries compared to developing countries?
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What shape of an age structure diagram typically indicates a declining population size?
What shape of an age structure diagram typically indicates a declining population size?
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Which equation would you use to determine the growth rate of a population based on crude birth and death rates?
Which equation would you use to determine the growth rate of a population based on crude birth and death rates?
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What is a significant socioeconomic factor affecting population parameters?
What is a significant socioeconomic factor affecting population parameters?
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How is the Crude Death Rate (CDR) calculated?
How is the Crude Death Rate (CDR) calculated?
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What effect does access to quality healthcare commonly have on population growth?
What effect does access to quality healthcare commonly have on population growth?
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How is the growth rate calculated when using crude rates?
How is the growth rate calculated when using crude rates?
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What does the 'Rule of 70' help determine in population dynamics?
What does the 'Rule of 70' help determine in population dynamics?
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Which factor is NOT typically considered a socioeconomic influence on demographic parameters?
Which factor is NOT typically considered a socioeconomic influence on demographic parameters?
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What is net migration defined as?
What is net migration defined as?
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Which of the following is considered a demographic parameter influenced by social bias?
Which of the following is considered a demographic parameter influenced by social bias?
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Which stage of demographic transition is characterized by a high crude birth rate and high crude death rate?
Which stage of demographic transition is characterized by a high crude birth rate and high crude death rate?
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What type of age structure diagram is most commonly associated with Stage 4 of demographic transition?
What type of age structure diagram is most commonly associated with Stage 4 of demographic transition?
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In which stage of demographic transition would you expect to see an overall population size that is highest but potentially decreasing?
In which stage of demographic transition would you expect to see an overall population size that is highest but potentially decreasing?
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During which stage of demographic transition does the growth rate transition from high to lower levels?
During which stage of demographic transition does the growth rate transition from high to lower levels?
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What happens to the birth rate as a society progresses from Stage 2 to Stage 3 in demographic transition?
What happens to the birth rate as a society progresses from Stage 2 to Stage 3 in demographic transition?
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Which stage of population growth is characterized by increased access to healthcare and education?
Which stage of population growth is characterized by increased access to healthcare and education?
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In which phase of population growth would you observe the most rapid population increase?
In which phase of population growth would you observe the most rapid population increase?
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What socioeconomic trend is associated with Stage 1 of population growth?
What socioeconomic trend is associated with Stage 1 of population growth?
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Which type of survivorship curve typically describes human populations?
Which type of survivorship curve typically describes human populations?
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What demographic characteristic is observed in Stage 4 populations, such as those in Japan and Germany?
What demographic characteristic is observed in Stage 4 populations, such as those in Japan and Germany?
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Which phase of population growth is characterized by stable population growth?
Which phase of population growth is characterized by stable population growth?
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In which phase of population growth are birth and death rates initially high before decreasing?
In which phase of population growth are birth and death rates initially high before decreasing?
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Which of the following countries is an example of a Phase 4 population growth context?
Which of the following countries is an example of a Phase 4 population growth context?
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What significant change occurs in the birth and death rates as a population transitions from Phase 1 to Phase 2?
What significant change occurs in the birth and death rates as a population transitions from Phase 1 to Phase 2?
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What is a common characteristic of populations in Phase 1 of the growth model?
What is a common characteristic of populations in Phase 1 of the growth model?
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Study Notes
Population Ecology (AP Topics 3.1-3.5)
- Activities for the topic include demonstrations with balls or rolling pins, examining exponential and logistic growth models and cards identifying K- vs r-selection. Labs and assignments on the topic, including human survivorship curves, are also available.
Population Growth Dynamics
- Population growth models
- Exponential growth assumes unlimited resources. Population growth is determined by the biotic (intrinsic) growth rate, which is the maximum possible growth rate. The curve shaped of this model can be described as a J-curve.
- Logistic growth incorporates limiting resources and carrying capacity (the maximum population size that an environment can support). This population growth model shows an S-curve.
Factors Limiting Population Growth
- Density-dependent factors influence individual survival probability.
- Density-independent factors influence individual survival probability.
- Impacts of resource availability result in overshoots and diebacks in population growth.
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Description
This quiz covers key concepts in population ecology, focusing on population growth dynamics, including exponential and logistic models. You will explore factors that limit population growth and understand the implications of density-dependent and density-independent factors. Dive into theoretical models and their practical applications with activities and assignments provided.
