All organisms in an ecosystem depend on each other to survive; when one species starts to decline, multiple species may be affected because of the interconnectedness of life within the system.

Students will research freshwater biomes of ponds and lakes and conduct experiments to understand pond life, food webs and the impact of human influences on ponds.

Students create an arctic food web to understand the feeding connections and social relationships between tundra plants and animals.

Students will understand the food web of soil decomposers and impacts of the environment on soil decomposers.