Unit 4 Test: Polar Seas

Front

What is a cetacean?

Back

Any member of the group of marine mammals which includes whales, dolphins, and porpoises.

Front

Why is upwelling important in polar seas?

Back

Upwelling provides nutrient rich water that sustains life.

Front

What are the Southern Lights also known as?

Back

Aurora Australis.

Front

Identify this animal: It has a long tusk and is often referred to as the unicorn of the sea.

Back

Narwhal.

Front

Which of these animals is NOT found in the Arctic?

Back

Emperor Penguin.

Front

What is the primary habitat of polar bears?

Back

Arctic regions, primarily on sea ice.

Front

Define echolocation.

Back

A biological sonar used by some animals, like dolphins, to navigate and locate prey by emitting sound waves.

Front

What is the significance of sea ice in polar ecosystems?

Back

Sea ice provides habitat for various species and plays a crucial role in regulating the Earth's climate.

Front

What adaptations do polar animals have for cold environments?

Back

Thick blubber, fur, and specialized behaviors to conserve heat.

Front

What is the role of phytoplankton in polar seas?

Back

Phytoplankton are primary producers that form the base of the marine food web.