Our Planet | Frozen Worlds

What is the primary reason Gentoo penguins come ashore in Antarctica during spring?

• To find food.
• To escape predators.
• To migrate to warmer areas.
• To breed.

What is the main factor threatening the food supply of humpback whales in the Southern Ocean?

• Increased predation by orcas

• Overfishing by humans

• Warming temperatures and disappearing sea ice

• Pollution from nearby continents

Tags

NGSS.MS-LS2-4

What role do algae play in the Antarctic ecosystem as described in the passage?

• They provide shelter for krill

• They are the primary food source for krill

• They help in the formation of sea ice

• They are a predator of krill

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NGSS.MS-LS2-3

How do orcas hunt penguins in Antarctica?

• By hunting in silence to avoid detection

• By using sound waves to disorient them

• By creating waves to wash them off ice

• By trapping them in ice holes

Tags

NGSS.MS-LS2-2

What is the primary reason for the decline in the breeding population of wandering albatrosses on South Georgia?

• Increased predation by land predators

• Lack of nesting sites

• Entanglement in longline fishing lines

• Competition for food with other birds

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NGSS.MS-LS2-4

What strategy do king penguins use to avoid predators while returning to feed their chicks?

• Swimming in circles

• Flying over the water

• Hiding in kelp

• Porpoising

Why is flat ice problematic for polar bears?

• It is too slippery

• It provides no hiding spots for hunting

• It melts too quickly

• It is too thin to support their weight

Tags

NGSS.MS-LS2-4

What is the function of a narwhal's tusk?

• It is used for hunting

• It helps them swim faster

• It is an overgrown canine tooth

• It is used for defense

What role does sea ice play in the global climate?

• It reflects most of the sun's energy

• It absorbs the sun's energy

• It increases global temperatures

• It has no effect on the climate

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

What is the impact of the loss of sea ice on the planet's climate?

• It stabilizes global temperatures

• It increases the earth's albedo

• It leads to more extreme weather patterns

• It has no significant impact

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

NGSS.HS-ESS2-2