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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. 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 f scientists monitored the population of wolves in Yellowstone for the first 20 years after their release. Number of Individuals Figure 1. Number of Wolves in Yellowstone After Release 200 180 160 140 120 100 80 N 60 40 20 0 W 2 4 6 8 10 12 14 16 18 20 Years Source: NPS/Yellowstone Wolf Project The scientists also monitored the populations elk and bison Figure ? Number of Elk Yellowstone for the first 20 years after the wolves' release.

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. 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 f scientists monitored the population of wolves in Yellowstone for the first 20 years after their release. Number of Individuals Figure 1. Number of Wolves in Yellowstone After Release 200 180 160 140 120 100 80 N 60 40 20 0 W 2 4 6 8 10 12 14 16 18 20 Years Source: NPS/Yellowstone Wolf Project The scientists also monitored the populations elk and bison Figure ? Number of Elk Yellowstone for the first 20 years after the wolves' release.

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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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. 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 graph displays fluctuations in the wolf population in Yellowstone over 20 years. The x-axis represents the years since the wolves' release, ranging from 0 to 20 years. The y-axis represents the number of wolves, ranging from 0 to 200. The plot shows an initial increase followed by fluctuations, peaking at around 180 before stabilizing between 80-110. - *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 compares the elk and bison populations over the same period. The x-axis represents the years since the wolves' release, ranging from 0 to 20 years. The y-axis represents the number of individuals, ranging from 0 to 16,000. Elk numbers start high (around 16,000) and decline steadily, whereas bison numbers remain relatively stable and low (between 2,000 and 6,000). - *Legend*: Blue line represents elk; orange line represents bison. - *Source*: NPS/Yellowstone Wolf Project The scientists also tracked the number of elk calves born per 100 elk females compared to the total number of wolves in the park. **Figure 3. Comparison of the Number of Elk Calves per 100 Elk Females to the Number of Wolves in Yellowstone** - *Graph Description*: This scatter plot examines the relationship between the number of wolves and the number of elk calves per 100 females. The x-axis represents the number of wolves, from 0 to 120. The y-axis represents the number of elk calves per 100
Transcribed Image Text: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. 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 graph displays fluctuations in the wolf population in Yellowstone over 20 years. The x-axis represents the years since the wolves' release, ranging from 0 to 20 years. The y-axis represents the number of wolves, ranging from 0 to 200. The plot shows an initial increase followed by fluctuations, peaking at around 180 before stabilizing between 80-110. - *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 compares the elk and bison populations over the same period. The x-axis represents the years since the wolves' release, ranging from 0 to 20 years. The y-axis represents the number of individuals, ranging from 0 to 16,000. Elk numbers start high (around 16,000) and decline steadily, whereas bison numbers remain relatively stable and low (between 2,000 and 6,000). - *Legend*: Blue line represents elk; orange line represents bison. - *Source*: NPS/Yellowstone Wolf Project The scientists also tracked the number of elk calves born per 100 elk females compared to the total number of wolves in the park. **Figure 3. Comparison of the Number of Elk Calves per 100 Elk Females to the Number of Wolves in Yellowstone** - *Graph Description*: This scatter plot examines the relationship between the number of wolves and the number of elk calves per 100 females. The x-axis represents the number of wolves, from 0 to 120. The y-axis represents the number of elk calves per 100
The image presents an educational activity where scientists use data to explain how the wolf population in Yellowstone reached its carrying capacity over a 20-year period. The task involves dragging correct answers into boxes to support this explanation. The categories and options provided are: 1. **Years of Rapid Population Growth for Wolves:** - Options: - Years 1-9 - Years 4-5 - Years 10-12 2. **Years of Stabilization for Wolf Population:** - Options: - Years 15-20 - Did not occur during study period - Between 20-40 wolves 3. **Approximate Carrying Capacity of Wolves in Yellowstone:** - Options: - Between 50-75 wolves - Between 85-100 wolves - Between 140-160 wolves The goal is to select the most correct answer for each category to help explain the wolf population dynamics in Yellowstone.
Transcribed Image Text:The image presents an educational activity where scientists use data to explain how the wolf population in Yellowstone reached its carrying capacity over a 20-year period. The task involves dragging correct answers into boxes to support this explanation. The categories and options provided are: 1. **Years of Rapid Population Growth for Wolves:** - Options: - Years 1-9 - Years 4-5 - Years 10-12 2. **Years of Stabilization for Wolf Population:** - Options: - Years 15-20 - Did not occur during study period - Between 20-40 wolves 3. **Approximate Carrying Capacity of Wolves in Yellowstone:** - Options: - Between 50-75 wolves - Between 85-100 wolves - Between 140-160 wolves The goal is to select the most correct answer for each category to help explain the wolf population dynamics in Yellowstone.
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