The Coldest Seas on Earth! | SciShow Kids

The video explores the unique adaptations of Antarctic marine animals to survive in extreme cold. It highlights the role of blubber in seals, antifreeze blood in fish, and the shrinking ability of krill. These adaptations are crucial for maintaining the food web in the Southern Ocean. The video emphasizes the interconnectedness of the ecosystem, where each species plays a vital role in supporting others.

What is the primary habitat for marine animals in Antarctica?

• Oceans

• Forests

• Deserts

• Mountains

What adaptation helps seals stay warm in cold waters?

• Feathers

• Scales

• Blubber

• Thick fur

Which of the following animals is known for having antifreeze in their blood?

• Krill

• Penguins

• Seals

• Nodothenioids

How do krill survive when food is scarce in winter?

• They shrink and use old body parts as food

• They hibernate

• They grow thicker shells

• They migrate to warmer waters

What is the main diet of krill in Antarctic waters?

• Coral

• Seaweed

• Small fish

• Phytoplankton

Which of the following is NOT a marine animal adaptation mentioned in the video?

• Thick scales

• Blubber

• Shrinking

• Antifreeze blood

Why is the Antarctic food web considered interconnected?

• The ocean is warm

• There are no predators

• Animals rely on each other for survival

• All animals eat the same food