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The scientists want to use the data to explain that the wolf population in Yellowstone reached carrying capacity during the 20-year period. Drag one correct answer into each box to support the Years of Rapid Population Growth for Wolves Years 1-9 Years 4-5 Between 140-160 wolves Years 10-12 Years 15-20 Years of Stabilization for Wolf Population Did not occur during study period. Approximate Carrying Capacity of Wolves in Yellowstone Between 20-40 wolves Between 50-75 wolves Between 85-100 wolves

The scientists want to use the data to explain that the wolf population in Yellowstone reached carrying capacity during the 20-year period. Drag one correct answer into each box to support the Years of Rapid Population Growth for Wolves Years 1-9 Years 4-5 Between 140-160 wolves Years 10-12 Years 15-20 Years of Stabilization for Wolf Population Did not occur during study period. Approximate Carrying Capacity of Wolves in Yellowstone Between 20-40 wolves Between 50-75 wolves Between 85-100 wolves

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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## Wolf Reintroduction in Yellowstone National Park: A Study In 1995, a population of 31 gray wolves was introduced into Yellowstone National Park. The population of the gray wolves fluctuated in the 20-year period after introduction. In 2019, an estimated 80-110 wolves are present in the park. ### Wolf, Elk, and Bison Interactions Wolves, elk, and bison are native to Yellowstone, but the wolves disappeared in the 1920s due to excessive hunting. Wolves are primarily carnivores, and elk and bison are primarily herbivores. A team of scientists monitored the population of wolves in Yellowstone for the first 20 years after their release. ### Figure 1: Number of Wolves in Yellowstone After Release - **Graph Description**: This line graph shows the number of wolves from year 0 to year 20 after their release. - **Key Observations**: - Population increases rapidly in the initial years. - Growth peaks around year 8 at approximately 170 wolves. - Some fluctuations occur, followed by stabilization around 100-120 wolves. *Source: NPS/Yellowstone Wolf Project* ### Figure 2: Number of Elk and Bison in Yellowstone After Wolf Release - **Graph Description**: This graph tracks elk and bison populations over the same 20-year period. - **Elk (blue line)**: - Initial population is high, around 15,000. - Significant decline, stabilizing at around 6,000 by year 20. - **Bison (orange line)**: - Relatively stable, showing slight increase over the years. ### Interpretation The scientists want to use the data to explain how the wolf population in Yellowstone reached carrying capacity during the 20-year period. - **Correct Answers for Study**: - *Years of Rapid Population Growth for Wolves*: Years 1-9 - *Years of Stabilization for Wolf Population*: Years 10-12 - *Approximate Carrying Capacity of Wolves in Yellowstone*: Between 85-100 wolves This study highlights the ecological dynamics resulting from the reintroduction of predators into their natural habitats and their impact on other species.
Transcribed Image Text:## Wolf Reintroduction in Yellowstone National Park: A Study In 1995, a population of 31 gray wolves was introduced into Yellowstone National Park. The population of the gray wolves fluctuated in the 20-year period after introduction. In 2019, an estimated 80-110 wolves are present in the park. ### Wolf, Elk, and Bison Interactions Wolves, elk, and bison are native to Yellowstone, but the wolves disappeared in the 1920s due to excessive hunting. Wolves are primarily carnivores, and elk and bison are primarily herbivores. A team of scientists monitored the population of wolves in Yellowstone for the first 20 years after their release. ### Figure 1: Number of Wolves in Yellowstone After Release - **Graph Description**: This line graph shows the number of wolves from year 0 to year 20 after their release. - **Key Observations**: - Population increases rapidly in the initial years. - Growth peaks around year 8 at approximately 170 wolves. - Some fluctuations occur, followed by stabilization around 100-120 wolves. *Source: NPS/Yellowstone Wolf Project* ### Figure 2: Number of Elk and Bison in Yellowstone After Wolf Release - **Graph Description**: This graph tracks elk and bison populations over the same 20-year period. - **Elk (blue line)**: - Initial population is high, around 15,000. - Significant decline, stabilizing at around 6,000 by year 20. - **Bison (orange line)**: - Relatively stable, showing slight increase over the years. ### Interpretation The scientists want to use the data to explain how the wolf population in Yellowstone reached carrying capacity during the 20-year period. - **Correct Answers for Study**: - *Years of Rapid Population Growth for Wolves*: Years 1-9 - *Years of Stabilization for Wolf Population*: Years 10-12 - *Approximate Carrying Capacity of Wolves in Yellowstone*: Between 85-100 wolves This study highlights the ecological dynamics resulting from the reintroduction of predators into their natural habitats and their impact on other species.
**Title:** Elk and Wolf Population Dynamics in Yellowstone **Source:** NPS/Yellowstone Wolf Project **Overview:** The scientists tracked the number of elk calves born per 100 elk females compared to the total number of wolves in Yellowstone National Park. **Figure 3 Description:** The graph illustrates the relationship between the number of elk calves per 100 adult females and the number of wolves in Yellowstone. - **X-Axis:** Represents the number of wolves, ranging from 0 to 100. - **Y-Axis:** Represents the number of elk calves per 100 adult females, ranging from 0 to 40. **Trend Analysis:** There is a downward trend shown by a line of best fit, indicating that as the number of wolves increases, the number of elk calves per 100 females decreases. **Data Points:** Scattered data points align along the downward sloping trend line, reinforcing the inverse relationship between the wolf population and elk calf numbers. The variability indicates some other factors may also influence this dynamic. **Source:** NPS/Yellowstone Wolf Project This analysis helps understand the ecological impact of predator-prey relationships in the park.
Transcribed Image Text:**Title:** Elk and Wolf Population Dynamics in Yellowstone **Source:** NPS/Yellowstone Wolf Project **Overview:** The scientists tracked the number of elk calves born per 100 elk females compared to the total number of wolves in Yellowstone National Park. **Figure 3 Description:** The graph illustrates the relationship between the number of elk calves per 100 adult females and the number of wolves in Yellowstone. - **X-Axis:** Represents the number of wolves, ranging from 0 to 100. - **Y-Axis:** Represents the number of elk calves per 100 adult females, ranging from 0 to 40. **Trend Analysis:** There is a downward trend shown by a line of best fit, indicating that as the number of wolves increases, the number of elk calves per 100 females decreases. **Data Points:** Scattered data points align along the downward sloping trend line, reinforcing the inverse relationship between the wolf population and elk calf numbers. The variability indicates some other factors may also influence this dynamic. **Source:** NPS/Yellowstone Wolf Project This analysis helps understand the ecological impact of predator-prey relationships in the park.
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