Tag: capacity
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Explore Limiting Factors and Carrying Capacity
Explore how limiting factors affect population growth. Students learn the definition of a limiting factor and apply it to several scenarios.
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Human Population Growth
Students graph population estimates for years ranging from 1650 to 2012. The graph will show an exponential growth curve which students analyze to determine how frequently the population doubles. Students also explore the concepts of carrying capacity and growth rates. Questions ask students to discuss what happens when the earth exceeds its carrying capacity and…
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The Lesson of the Kaibab
This activity asks students to graph the number of kaibab deer on the plateau after predators were removed, then analyze data and develop a better plan.
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Investigation: What Factors Affect Lung Capacity
In this investigation, students use balloons and rulers to estimate the vital capacity of lungs using test subjects within the class. To perform the test, subjects take a deep breath and blow into a balloon. The diameter is measured and a graph is used to estimate the volume of air expelled based on the diameter…
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Case Study: Loggerhead Turtles and Population Models
This case study focuses on survivorship curves and population models by examining a case about loggerhead turtles. The case starts off with a story about how beach visitors must follow certain rules to not disturb native turtles and nesting behavior. Students watch a video that shows how biologists moved sea turtle nests after the…