Though the walrus spends roughly one third of its time on land, it eats organisms that live on the bottom of the ocean. The first in a series of five, the lesson uses a variety of plant and animal cards to have scholars build an arctic...

After reviewing food chains, your class members participate in an arctic predator-prey game that exemplifies the impact of climate change of food availability. If you are in a hurry, skip this lesson plan, but if you have the time to...

In 2015, Peter Cook found that sea lions with high levels of exposure to toxins suffered permanent brain damage if they survived at all. Scholars learn about the accumulation of toxins at various levels of the food chain. Using...