Ecosystem Relationships

5. A close relationship between two or more species within an ecosystem. Can be positive, negative, or neutral.
6. “Fungi can receive up to 30 percent of the carbon passing through an underground network. In exchange, the fungi provide nutrients and water that they harvest from the soil… It’s a good deal for both the trees and the fungi!”(Kelley, 32).
7. A relationship between organisms that strive for the same resources in the same place. The resources might be food, water, or space.
8. A long-term biological interaction in which members of one species gain benefits while those of the other species neither benefit nor are harmed.

1. An interaction in which one organism, the predator, eats all or part of the body of another organism, the prey.
2. A non-living part of an ecosystem that shapes its environment is a(n) _____ factor.
3. A living organism that shapes its environment is a(n) ______ factor.
4. Type of relationship in which one organism lives on or inside another organism, the host, causing it harm.