1. In environmental science, what is the difference between a positive feedback loop and a negative feedback loop?
2. Think about food chains and food webs. Describe a simple food chain that has at least five components. If you were the animal at the top of that food chain, how might having a food web instead of a simple food chain benefit you?
3. Why is understanding the cycling of matter and energy in ecosystems important to environmental science? Provide an example.
4. What are some ways people have affected biogeochemical cycles in your area? Provide an example
5. Identify an invasive species in your area. What are some environmental and economic impacts from this species?