Yellowstone National Park and Its Ecosystem

What was the primary reason for establishing Yellowstone as a National Park?

• To establish a new city

• To allow people to enjoy the wonders of nature

• To create a space for urban development

• To preserve the land for Native American communities

Which of the following was a consequence of human settlement around Yellowstone?

• Improvement in plant diversity

• Decrease in cattle population

• Destruction of animal habitats

• Increase in native animal populations

What was the effect of removing wolves from Yellowstone?

• Stabilization of the ecosystem

• Overpopulation of elk

• Increase in plant diversity

• Decrease in elk population

What role did wolves play in Yellowstone's ecosystem?

• They were prey for elk

• They were apex predators

• They were scavengers

• They were herbivores

How did people contribute to the restoration of Yellowstone's ecosystem?

• By planting more trees

• By reintroducing wolves

• By building more farms

• By removing all predators

What was a key factor in changing people's minds about wolves?

• Increased cattle farming

• Stories and studies about ecosystem changes

• Decrease in tourism

• Introduction of new predators

When were wolves reintroduced to Yellowstone?

• In the 1940s

• In 1987

• Almost ten years after 1987

• In 1872

What is the current status of the wolf population in Yellowstone?

• There are no wolves left

• There are around 100 wolves in the park

• Wolves are extinct in the area

• Wolves have overpopulated the park

How has the reintroduction of wolves affected the elk population?

• The elk population has increased

• The elk population is smaller but healthier

• The elk population has remained the same

• The elk population has disappeared

Why do thousands of people visit Yellowstone today?

• To witness the cattle farming

• To see gray wolves in the wild

• To participate in hunting

• To see the urban development