This engaging site about soil is easy to understand and filled with quick facts. Cartoon graphics and menu tabs highlight topics which include the importance of soil, fast facts, soil critters, food webs, and others.

Question and answer site that contains a discussion of commensalism as it pertains to sea slugs. Nice photographs of aquatic commensalistic relationships.

A collection of facts and links for learning about wildlife management. The facts cover what wildlife management is, the job of a wildlife manager, biodiversity, predators and prey, land capacity, habitat, and endangered animals. Other...

Fossil Rim is a refuge center for endangered species and is located "50 miles southwest of Fort Worth." The site is an excellent resource for classroom teachers and students. It features word games, coloring pages, pictures and...

The aliens have landed in Wisconsin! You may see them and not even know they are aliens. These invaders are actually exotic plants and animals that have been introduced to our state from other countries or habitats on purpose or by...

This site from USGS provides several activities to help understand the interrelationships among earth surface processes, ecological systems, and human activities. Also included are links to new findings and programs concerning Earth...

Students are asked to explain the predator/prey relationship and how it helps to maintain the balance of the ecosystems.

Take a look at some of the different habitats that are home to many plants and animals including black bears, owls and various species of birds.