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2  Wolves are introduced into the park → The number of elk calves born to every 100 female elk ​ ​   Stayed the same Decreased  Increased  → The overall elk population Stayed the same Decreased  Increased  → Competition for plants elk eat Stayed the same Decreased  Increased  → Availability of resources for bison Stayed the same Decreased  Increased  → Bison population ​

2  Wolves are introduced into the park → The number of elk calves born to every 100 female elk ​ ​   Stayed the same Decreased  Increased  → The overall elk population Stayed the same Decreased  Increased  → Competition for plants elk eat Stayed the same Decreased  Increased  → Availability of resources for bison Stayed the same Decreased  Increased  → Bison population ​

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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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2 

Wolves are introduced into the park → The number of elk calves born to every 100 female elk

​
​
 
  • Stayed the same
  • Decreased 
  • Increased 

→ The overall elk population

  • Stayed the same
  • Decreased 
  • Increased 

→ Competition for plants elk eat

  • Stayed the same
  • Decreased 
  • Increased 

→ Availability of resources for bison

  • Stayed the same
  • Decreased 
  • Increased 

→ Bison population

​

 

**Source:** NPS/Yellowstone Wolf Project **Description:** The graph titled "Figure 3. Comparison of the Number of Elk Calves per 100 Elk Females to the Number of Wolves in Yellowstone" illustrates the relationship between the number of elk calves born per 100 adult female elk and the total number of wolves in Yellowstone National Park. **Graph Explanation:** - **X-Axis:** Represents the "Number of Wolves." - **Y-Axis:** Represents the "Number of Elk Calves per 100 Adult Females." The scatter plot points indicate individual data observations. A trend line is drawn through these points demonstrating a negative correlation. As the number of wolves increases, the number of elk calves per 100 adult females tends to decrease. **Observations:** - At lower numbers of wolves (around 20), the number of elk calves is generally higher, often above 25 per 100 females. - As the wolf population increases (up to approximately 100), the number of elk calves drops to below 15 per 100 females. - This suggests an inverse relationship between wolf numbers and elk calf births. **Source Information:** Data for this analysis comes from the NPS/Yellowstone Wolf Project.
Transcribed Image Text:**Source:** NPS/Yellowstone Wolf Project **Description:** The graph titled "Figure 3. Comparison of the Number of Elk Calves per 100 Elk Females to the Number of Wolves in Yellowstone" illustrates the relationship between the number of elk calves born per 100 adult female elk and the total number of wolves in Yellowstone National Park. **Graph Explanation:** - **X-Axis:** Represents the "Number of Wolves." - **Y-Axis:** Represents the "Number of Elk Calves per 100 Adult Females." The scatter plot points indicate individual data observations. A trend line is drawn through these points demonstrating a negative correlation. As the number of wolves increases, the number of elk calves per 100 adult females tends to decrease. **Observations:** - At lower numbers of wolves (around 20), the number of elk calves is generally higher, often above 25 per 100 females. - As the wolf population increases (up to approximately 100), the number of elk calves drops to below 15 per 100 females. - This suggests an inverse relationship between wolf numbers and elk calf births. **Source Information:** Data for this analysis comes from the NPS/Yellowstone Wolf Project.
In 1995, a population of 31 grey wolves was introduced into Yellowstone National Park. The population of the grey wolves fluctuated in the 20-year period after introduction. In 2010 an estimated 80-100 wolves are present in the park. Wolves, elk, and bison are native to Yellowstone, but the wolves disappeared in the 1900s 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 graph shows the number of wolves over a 20-year period. The x-axis represents the years since the wolves’ introduction, ranging from 0 to 20. The y-axis represents the number of wolves, ranging from 0 to 200. The graph indicates fluctuations in the wolf population, which initially increases, then shows peaks and declines over the years. _Source: NPS/Yellowstone Wolf Project_ The scientists also monitored the populations of elk and bison in Yellowstone for the first 20 years after the wolves’ release. **Figure 2. Number of Elk and Bison in Yellowstone After Wolf Release** - **Graph Description**: This graph shows the populations of elk and bison over 20 years. The x-axis represents the years since the wolf introduction, from 0 to 20. The y-axis represents the number of individuals, from 0 to 16,000. Elk population (represented by a blue line) shows a steep decline over time. Bison population (represented by an orange line) remains relatively stable with slight fluctuations. --- The scientists want to use the data to explain the relationship between the wolf introduction and the trends in the elk and bison populations. Select the correct answer for each blank. Each answer may be used more than once. Wolves are introduced into the park → The number of elk calves born to every 100 female elk → The overall elk population → Competition for plants elk eat → Availability of resources for bison → Bison population →
Transcribed Image Text:In 1995, a population of 31 grey wolves was introduced into Yellowstone National Park. The population of the grey wolves fluctuated in the 20-year period after introduction. In 2010 an estimated 80-100 wolves are present in the park. Wolves, elk, and bison are native to Yellowstone, but the wolves disappeared in the 1900s 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 graph shows the number of wolves over a 20-year period. The x-axis represents the years since the wolves’ introduction, ranging from 0 to 20. The y-axis represents the number of wolves, ranging from 0 to 200. The graph indicates fluctuations in the wolf population, which initially increases, then shows peaks and declines over the years. _Source: NPS/Yellowstone Wolf Project_ The scientists also monitored the populations of elk and bison in Yellowstone for the first 20 years after the wolves’ release. **Figure 2. Number of Elk and Bison in Yellowstone After Wolf Release** - **Graph Description**: This graph shows the populations of elk and bison over 20 years. The x-axis represents the years since the wolf introduction, from 0 to 20. The y-axis represents the number of individuals, from 0 to 16,000. Elk population (represented by a blue line) shows a steep decline over time. Bison population (represented by an orange line) remains relatively stable with slight fluctuations. --- The scientists want to use the data to explain the relationship between the wolf introduction and the trends in the elk and bison populations. Select the correct answer for each blank. Each answer may be used more than once. Wolves are introduced into the park → The number of elk calves born to every 100 female elk → The overall elk population → Competition for plants elk eat → Availability of resources for bison → Bison population →
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