Learn all about the nitrogen cycles, including its processes, factors, and effects.
Students participate in a role play simulation to debate the possibility of establishing a world preserve. Students explore the human impacts on the rain forest and learn how the rain forest effects us. Worksheets included.
Reviews the nitrogen cycle and how imbalances affect ecosystems.
Streams are important sources of water for living things so they are important ecosystems. Stream health is necessary for these ecosystems and for humans.