Yellowstone National Park - Water Quality

The video explores the significance of water quality in Yellowstone National Park, discussing its impact on the ecosystem and wildlife. It covers the testing of water quality, factors affecting it, and the role of beavers as ecosystem engineers. The video concludes with the importance of clean water for human use and its broader implications.

What percentage of the Earth's surface is covered by water?

• 50%

• 71%

• 60%

• 80%

Which of the following is NOT a factor tested for water quality in Yellowstone?

• Salinity

• Temperature

• pH

• Turbidity

What natural phenomenon in Yellowstone can affect water temperature and quality?

• Tornadoes

• Earthquakes

• Hydrothermal features

• Volcanic eruptions

How does climate change potentially impact water quality in Yellowstone?

• Decreases vegetation

• Increases snowfall

• Decreases river flow

• Increases water temperature

Which fish species is considered iconic in Yellowstone due to its importance to the ecosystem?

• Brown trout

• Brook trout

• Yellowstone cutthroat trout

• Rainbow trout

Why is cold, clear water important for fish in Yellowstone?

• It is warmer

• It is easier to swim in

• It contains more oxygen

• It has fewer predators

What role do beavers play in the ecosystem of Yellowstone?

• Pollinators

• Scavengers

• Ecosystem engineers

• Predators

How do beaver dams affect water quality?

• Increase salinity

• Filter pollutants

• Reduce water flow

• Increase water temperature

What is a common human activity in Yellowstone that relies on clean water?

• Fishing

• Hiking

• Camping

• Bird watching

Why is it important to maintain clean water in Yellowstone?

• To support tourism

• To prevent erosion

• To reduce noise pollution

• To ensure biodiversity