This lesson will discuss the interactions of and interdependence among living things. It is 3 of 4 in the series titled "Living Organisms and Their Environment."

[Free Registration/Login may be required to access all resource tools.] Fungi are extremely important to the ecosystem because they are one of the major decomposers of organic material. But how do they help people? They are used to help...

[Free Registration/Login Required] Through this flipchart students will be able to summarize and organize simple food chains.

Explains the characteristics of tropical and temperate rainforests and what rainforest food webs look like.

Provides information about the anatomy of the earthworm's digestive system and why the earthworm plays such an important role in soil health.

Starts with living and non living and works through producers, consumers, food chains and food webs.

This website describes trophic levels, transfer of energy between trophic levels, pyramids of ecology, and nutrient cycles within the environment.

Musically Aligned sings a short song on decomposers. They touch on what organisms are included in that group and their roll in the circle of life.