Our Planet | Frozen Worlds

Front

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

Back

Warming temperatures and disappearing sea ice.

Front

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

Back

To breed.

Front

What role do algae play in the Antarctic ecosystem?

Back

They are the primary food source for krill.

Front

What is the function of a narwhal's tusk?

Back

It is an overgrown canine tooth.

Front

How do orcas hunt penguins in Antarctica?

Back

By hunting in silence to avoid detection.

Front

What is the impact of climate change on polar ecosystems?

Back

It leads to warming temperatures and loss of sea ice, affecting food supply and habitats.

Front

What adaptations do polar animals have for survival in extreme cold?

Back

Thick blubber, fur, and behavioral adaptations like migration.

Front

Why is krill important in the Antarctic food web?

Back

Krill are a primary food source for many marine animals, including whales and penguins.

Front

What are the consequences of overfishing in the Southern Ocean?

Back

It disrupts the food chain and threatens species like whales and penguins.

Front

How does sea ice formation affect marine life in polar regions?

Back

It provides habitat and breeding grounds for various species.