Fixin' to add a great resource to your plans? Scholars perform an experiment to investigate nitrogen-fixing bacteria from plant roots. Along the way, they learn about the concepts of symbiosis and mutualism.

Hyenas normally hunt alone, however scientists discovered that in Israel, hyenas hunt with wolf packs. When relationships develop between different species, we call it symbiosis. The videos teach about the three types of symbiosis and an...

What better way for young biologists to learn about invertebrates than by creating their very own? Here, students are assigned a set of invertebrate characteristics and are asked to invent an imaginary ocean animal...

In this trees lesson, 4th graders read the book, A Tree is Growing and complete a KWL chart on how trees grow and how they are used. Students research the symbiotic relationship of humans and trees, create tree collages, plant a...

Students read and discuss a research article that explains the unlikely link between increased fish populations and increased plant pollination. They answer reading guide questions to discover this ecological relationship.

Students examine the relationships within a salt marsh habitat. In this habitat lesson, students examine the various kinds of symbiotic relationships in a salt marsh habitat.

Article describes the different types of symbiosis, some of which are of mutual benefit, and others not. It also explains the differences between endosymbiosis and exosymbiosis, where one organism lives either inside or else upon the...