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...

Learn how mutualism benefits the organisms in a symbiotic relationship and what the different types of mutualism are. Provides lots of examples.

[Free Registration/Login may be required to access all resource tools.] Ecology is the study of how living organisms interact with each other and with their environment. Organisms interact with each other through various mechanisms, one...

[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. For this lesson, students 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.

Explains the characteristics of food chains and food web; the different levels of producers, consumers, and decomposers; and the differences between food chains and food webs. Includes charts and a Venn diagram comparing the two.

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...

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

Not all genetic mutations are harmful. Examples of beneficial mutations are described here.

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.