11-04-2016 Friday
6th Grade Practice essays:
1. Explain how calories move through a food pyramid
2. Explain what predation does to an ecosystem. Why is predation needed in nature?
3. Draw/ Describe Mutualism
4. Draw/ Describe Commensalism.
5. Draw/describe Parasitism.
6. Explain what invasive species do to an ecosystem.
7. Describe the process of symbiosis.
by Jack Miller