Alaska's National Forests and Ecosystems Quiz

Which national forest in Alaska is the largest in the United States?

• Denali National Park

• Wrangell-St. Elias National Park

• Tongass National Forest

• Chugach National Forest

Which animal is not mentioned as part of the wildlife in the Tongass National Forest?

• Moose

• Wolves

• Lions

• Eagles

What is the primary reason brown bears in Alaska grow so large?

• Their genetic makeup

• Their diet of berries

• Their ability to catch salmon

• Their long hibernation periods

What is the primary focus of the U.S. Forest Service in managing national forests?

• Recreational activities

• Logging and timber production

• Tourism development

• Ecosystem health

What is the role of fish biologists in the U.S. Forest Service?

• To promote recreational fishing

• To manage forest waters and fish species

• To study fish behavior

• To manage logging operations

What unique characteristic do salmon have that involves both freshwater and ocean habitats?

• They are anadromous

• They are herbivorous

• They are nocturnal

• They are migratory

Why are salmon fillets typically orange in color?

• Because of their freshwater habitat

• From exposure to sunlight

• Due to genetic mutations

• Due to their diet of krill

What role do krill play in the ocean's food chain?

• They are a primary food source

• They are decomposers

• They are top predators

• They are scavengers

Which of the following fish is not mentioned as part of Alaska's ecosystem in the video?

• Cutthroat trout

• Dolly Varden

• Rainbow trout

• Atlantic salmon

What is the significance of maintaining a balanced ecosystem in Alaska's waters?

• To reduce pollution

• To ensure the survival of fish species

• To promote logging activities

• To increase tourism