How Animals Survive the Winter

Which of the following is a key physiological change that occurs in hibernating animals?

• Increased heart rate
• Increased body temperature
• Increased energy use
• Decreased heart rate

What environmental cue helps guide the migration of some animals?

• Changing daylight hours
• Decreasing temperatures
• Abundance of food
• The stars and Earth's magnetic field

Which adaptation helps the snowshoe hare survive winter?

• Growing a thick layer of blubber
• Sleeping through the winter
• Changing fur color to white
• Migrating to warmer climates

What is the name of the special shelters where some animals gather to hibernate?

• Dens
• Burrows
• Nests
• Hibernacula

How do humans adapt to survive frigid winters?

• Grow thick fur coats
• Migrate to warmer regions
• Hibernate for the winter
• Wear warm clothing and heat homes

What is the term for an animal's ability to recover quickly from winter challenges?

• Resilience
• Adaptation
• Dormancy
• Camouflage

Which of these is a common adaptation marine animals use to stay warm in frigid waters?

• Thick fur coats
• Extensive hibernation
• Changing body color
• Thick layers of blubber

What is the term used to describe the state of inactivity an animal enters to conserve energy during winter?

• Freezing
• Migration
• Dormancy
• Camouflage

Which of these animals is known for its incredible migratory journey, traveling up to 20,000 miles each year?

• Polar bear
• Snowshoe hare
• Arctic tern
• Grizzly bear

What is the term used to describe the clever, creative, or inventive ways animals adapt to survive winter?

• Resilience
• Hibernation
• Camouflage
• Ingenuity