How has the level of carbon dioxide changed over recent years, and what is contributing it? Groups work together to research and present their findings in a creative way. Also built into the lesson is a visit to a sustainable house, but...

Given scenarios, illustrations, or descriptions, the student will identify the process of ecological succession and the impact that succession has on populations and species diversity.

[Free Registration/Login may be required to access all resource tools.] Ecosystems are "dynamic." This means that ecosystems change over time. Both natural forces and human actions cause ecosystems to change. Learn more about succession...

Understand primary and secondary ecological succession, and their importance to ecosystems.

A video and a short multiple-choice quiz on the natural changes that take place in an ecosystem, and the negative impact humans can have on ecosystems.