10/5 Thurs Nat Geo Yellowstone Video

You are participating in a quiz competition and the host asks, 'What is America's first national park?'

• Yellowstone

• Rocky Mountains

• Grand Canyon

• Yosemite

Answer explanation

The first national park in America was Yellowstone, which was designated as such by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872. Therefore, the correct answer to the question is Yellowstone. The other options, Rocky Mountains, Grand Canyon, and Yosemite, were all established later.

Imagine you are a tour guide at Yellowstone National Park. A tourist asks you, 'How many visitors does Yellowstone National Park receive each year?'

• 1 million

• 2 million

• 3 million

• 4 million

Answer explanation

Yellowstone National Park is one of the most popular national parks in the United States, attracting tourists from all over the world. The correct answer to the question about the annual visitor count at Yellowstone National Park is 3 million. This indicates the great popularity and large size of the park.

You are planning a trip to Yellowstone National Park and want to see the most famous geyser there. Which one should you visit?

• Old Faithful

• Yellowstone Caldera

• Grand Prismatic Spring

• Mammoth Hot Springs

Answer explanation

Old Faithful is the most famous geyser in Yellowstone National Park. It's known for its predictable eruptions, occurring approximately every 90 minutes. This predictability and its impressive height, reaching up to 185 feet, make it a must-see attraction in the park. Therefore, if you want to see the most famous geyser at Yellowstone, Old Faithful should be your choice.

You are on a wildlife expedition in North America. You come across various mammals. Which one among the following is the largest mammal you could possibly encounter?

• Bison

• Wolf

• Elk

• Grizzly Bear

Answer explanation

The largest mammal one could possibly encounter on a wildlife expedition in North America is the Bison. Although wolves, elks, and grizzly bears are large mammals, the bison is notably larger in terms of weight and overall size, making it the correct choice.

Imagine you are a historian studying the wildlife of Yellowstone National Park. Can you recall the year when gray wolves were reintroduced to the park?

• 1980

• 1990

• 1995

• 2000

Answer explanation

The correct answer is 1995. Gray wolves were reintroduced to Yellowstone National Park in this year after being nearly eradicated in the early 20th century. This reintroduction played a significant role in the ecosystem restoration of the park.

You are planning a trip to Yellowstone National Park and want to do some river rafting. Can you identify the river that flows through the park for this activity?

• Yellowstone River

• Colorado River

• Mississippi River

• Columbia River

Answer explanation

The correct answer is Yellowstone River. Yellowstone National Park is named after this river, and it is the primary river that flows through the park, making it the ideal choice for rafting activities. Other options like the Colorado, Mississippi, and Columbia Rivers do not flow through Yellowstone National Park.

You are planning a trip to Yellowstone National Park and you want to visit the largest thermal feature. Which one should you choose?

• Old Faithful

• Grand Prismatic Spring

• Mammoth Hot Springs

• Yellowstone Caldera

Answer explanation

The Grand Prismatic Spring is the largest thermal feature you should visit in Yellowstone National Park. Not only is it the largest hot spring in the park, it is also the third largest in the world. It's famous for its striking coloration caused by the types of bacteria living in the hot mineral-rich water.

During a wildlife tour in Yellowstone National Park, you observe an animal displaying elaborate rutting behavior. Which animal are you most likely observing?

• Bison

• Wolf

• Elk

• Grizzly Bear

Answer explanation

The animal you are most likely observing is a Bison. In Yellowstone National Park, Bisons are known to display elaborate rutting behavior during mating season. This behavior is not typically observed in Wolves, Elks, or Grizzly Bears in the same context.

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During a wildlife expedition in Yellowstone National Park, you noticed that the bison population was nearly wiped out. Which predator do you think is responsible for this?

• Wolf

• Coyote

• Mountain Lion

• Grizzly Bear

Answer explanation

The question was about identifying the predator that could have nearly wiped out the bison population in Yellowstone National Park. Among the given options, Grizzly Bear is considered the correct choice. Grizzly Bears are known for their predatory behavior and can cause significant damage to the population of large mammals like bison.

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Imagine you are a geologist studying the Yellowstone National Park. You need to determine its age. How old is the Yellowstone National Park?

• 50 million years

• 75 million years

• 100 million years

• 150 million years

Answer explanation

Yellowstone National Park is approximately 75 million years old. This age is determined through geological study, specifically by examining the rock formations and fossil records within the park. This eliminates the other options of 50 million, 100 million, and 150 million years.

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