[Free Registration/Login may be required to access all resource tools.] Overview of primary succession, secondary succession, and climax community.

[Free Registration/Login may be required to access all resource tools.] Take a look at primary and secondary ecological succession and explore climax communities.

[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...

An ecology simulation where each student plays a role of an organism in an forest ecosystem. Students earn and keep track of their own survival points to determine which type of organism is most successful at survival during different...

Teach aliens about ecology as you play this game, and review your own understanding in the process. Topics covered include levels of organization, ecological relationships, nutrition and energy, cycles (water, carbon, and nitrogen), and...

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.