Blue Planet - Frozen Seas
The seas surrounding the arctic and Antarctic are the coldest and harshest. Very few organisms are able to survive for long periods in these ecosystems. The ones that are able have specific adaptations and behaviors to combat the elements.
Key Concepts: Polar seas, arctic, antarctic, adaptations, sea ice, icebergs, pack ice.
Answer Key: Available for purchase at the environmental science instructor resources subscription page.