Lots of information about the black carpenter ant. Learn about their physical characteristics, colonies, life cycle, food sources, and predators. A detailed chart listing many plants and animals permits exploration of their relationships...

[Free Registration/Login may be required to access all resource tools.] Predation is another mechanism in which species interact with each other. Predation is when a predator organism feeds on another living organism or organisms, known...

See how ecosystems are organized into several different levels, and an ecosystem can be studied at any one of the various levels of organization.

Organisms have a variety of relationships. In this lesson, young scholars learn to categorize relationships according to their impact on organisms and the terminology for these biological interactions.

Lesson plan to construct and explain a food chain. Includes games and activities to teach and reinforce concepts.

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about ecological roles and relationships. Includes a few questions to check for understanding.

After reviewing the roles of consumers, producers and decomposers, you'll create your own food chains using pictures from magazines. The site also has 18 questions to see if you can identify the ecologic role played by various organisms.

Bucket Buddies is an opportunity for students to participate in a world-wide environmental study. By identifying organisms in pond water, participating classes can compare their findings, and look for relationships in data. In addition...

Understand the predator-prey relationship in an ecosystem.

In this lesson, the children learn about how critters depend on the butterfly bush and how the butterfly bush, in turn, depends on it. Common Core writing skills are integrated as they take it to the next step, and create their own page...

Learn about the importance of many mammals to humans.