Oceans: Frozen Seas

The video explores the frozen oceans of the Arctic and Antarctic, highlighting their unique ecosystems and the survival strategies of various animals. In the Arctic, polar bears and seals have adapted to the harsh conditions, while in Antarctica, penguins face different challenges. As spring arrives, the ice melts, leading to significant changes in animal behavior. The Southern Ocean becomes a hub of activity with krill attracting numerous marine species. Despite the harsh conditions, these frozen environments are teeming with life.

What is the freezing point of salt water, and how does it affect the Arctic Ocean?

• 0°C, causing the Arctic Ocean to remain liquid

• -2°C, leading to the formation of thick ice

• -10°C, resulting in thin ice layers

• -70°C, freezing the ocean solid

Which seal species breeds on unstable ice to avoid polar bears?

• Hooded seals

• Ringed seals

• Beluga seals

• Harp seals

Why can Emperor Penguins spend the winter on Antarctic ice with relative safety?

• They have no predators on land

• They are camouflaged against the ice

• They migrate to warmer areas

• They are protected by polar bears

What happens to the Arctic sea ice during spring?

• It shrinks significantly

• It remains the same size

• It melts completely

• It expands to cover more area

Which marine animals are attracted by the swarming krill in the Southern Ocean?

• Polar bears and walrus

• Fur seals, minke whales, and humpback whales

• Emperor penguins and leopard seals

• Narwhals and belugas