Podcast
Questions and Answers
What characteristic is specific to exponential growth in populations?
What characteristic is specific to exponential growth in populations?
Which of the following best describes logistic growth?
Which of the following best describes logistic growth?
Which factor does NOT influence population growth dynamics?
Which factor does NOT influence population growth dynamics?
What is a consequence of resource availability on population growth?
What is a consequence of resource availability on population growth?
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In what way do density-dependent factors influence individual survival probability?
In what way do density-dependent factors influence individual survival probability?
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What defines K-selected species in their reproductive strategy?
What defines K-selected species in their reproductive strategy?
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Which age structure diagram indicates a declining population size?
Which age structure diagram indicates a declining population size?
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What is the total fertility rate (TFR) considered to be at replacement level?
What is the total fertility rate (TFR) considered to be at replacement level?
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What demographic parameter describes the difference between immigration and emigration?
What demographic parameter describes the difference between immigration and emigration?
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Which type of survivorship curve typically represents species with high infant mortality rates?
Which type of survivorship curve typically represents species with high infant mortality rates?
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Study Notes
Population Ecology (AP topics 3.1-3.5)
- Activities, labs, assignments for this topic include: density-dependent demonstrations (ball vs. rolling pin), exponential growth "riddles", logistic growth model analysis, K- vs. r-selection card sort, and human survivorship curves lab.
Population Growth Models
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Exponential Growth:
- Assumes unlimited resources.
- Population growth is determined by intrinsic growth rate/biotic potential (maximum possible growth rate).
- Represented by a J-curve.
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Logistic Growth:
- Incorporates limiting resources and carrying capacity (maximum population size the environment can support).
- Represented by an S-curve.
Factors Limiting Population Growth
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Density-dependent factors:
- Affect individual survival probability.
- Examples include competition for resources, predation, disease.
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Density-independent factors:
- Affect population growth regardless of density.
- Examples include natural disasters, climate change.
Impacts of Resource Availability
- Impacts of resource availability on population growth include overshoots and diebacks.
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Description
This quiz covers the key concepts of Population Ecology as outlined in AP topics 3.1-3.5, focusing on population growth models including exponential and logistic growth. Explore the factors that limit population growth and understand density-dependent and density-independent influences through engaging activities and labs.
