Describes examples of commensal relationships in the natural world.

Learn about ants and their living environment.

You will explore the symbiotic relationship that exist between different fungi and a variety of insects in this interesting site.

Discuss how individual organisms and groups of organisms interact with each other, and research and classify symbiotic relationships between individual organisms of different species.

Help your students develop an understanding of a rain forest ecosystem and the environment through this social studies lesson.

This is a very brief overview of tubeworms, a hydrothermal vent marine animal.

In this lesson, students compare various types of relationships among organisms (i.e., biotic interactions). Students will: explain the roles of producers and consumers, and predators and prey in an ecosystem. Explain the levels of order...

You will explore the symbiotic relationship that exist between different fungi and a variety of insects in this interesting site.

You will explore the symbiotic relationship that exist between different fungi and a variety of insects in this interesting site.