This lesson explores how animals survive in extreme environments, specifically focusing on the Arctic polar bear. Key vocabulary includes 'survival' and 'adaptation,' which are connected through the discussion of the bear's physical traits that function as survival 'tools.' The three main tools discussed are the polar bear's thick white fur, layer of blubber, and powerful claws, each playing a vital role in warmth, camouflage, and hunting. The lesson encourages critical thinking by comparing animal adaptations to human tools, prompting students to understand how body parts serve essential purposes in survival. Activities include matching animal parts to their functions and reflecting on adaptations needed for thriving in challenging habitats.