If you teach a man to fish, he will never go hungry—or he will overfish and permanently damage the ecosystem? Address the traditional biomes as well as the human-included ecosystems and contrasts the biotic and abiotic factors in each....

[Free Registration/Login may be required to access all resource tools.] Discover the hierarchal system found in the biosphere which helps scientists break down and delve into different aspects of ecology.

[Free Registration/Login may be required to access all resource tools.] Ecosystems are organized into several different levels, and they can be studied at any one of the various levels of organization. Learn more about levels of...

A comprehensive ecology learning module where students assess the dependence of all organisms on one another and the flow of energy and matter within their ecosystems.

Learning module introduces students to the human dimensions of global environmental change: human actions that initiate changes in the structure and operation of the biosphere; the consequences of these actions on terrestrial ecology;...

[Free Registration/Login may be required to access all resource tools.] Covers interactions between organisms.