PBS
Nh Pbs: Nature Works: Ecosystems
How would you define an ecosystem? Check out this educational resource to learn more about the living and nonliving parts of different ecosystems.
Utah Education Network
Uen: Classify Yes, but Is It Alive?
Do you know the traits something that is alive? Test your knowledge of the traits of life by identifying objects as alive, not living, or once alive.
Other
Hub Pages: Abiotic Factors: A Component of Ecosystem
In the environment, there are external factors that really affect organisms living within it. One of these factors is the set of abiotic factors, or nonliving variables, such as wind, ocean, day length, rainfall, temperature, and ocean...