Psychologists study human relationships while ecologist study relationships between organisms in the environment. An introduction to ecology and the related vocabulary benefits scholars as they progress through the presentation and...

Is it a producer, carnivore, omnivore, scavenger, or decomposer? Different relationships among organisms are explored here. It is a simple, multiple choice assignment. Use it as a quick warm-up or quiz.

Students research the ecological principle of symbiosis. Using a microscope, students observe the relationship of mutualism between termites and flagellates. Students examine a live termite and protozoans. They discuss the principles...

Learners consider parasites that seek human hosts. They prepare nutrient agar plates and cultivate samples of bacteria taken from their own bodies. They experiment with disinfectants and soaps to determine which method kills the most...

Students examine the symbiotic relationship between fungus and plants.  In this ecosystem lesson students complete several mycorrhiza experiments.

Students discuss how organisms relate to one another. They work together to research a specific organism and how it relates to other organisms. They present their findings to the class.

Sixth graders observe the pond ecosystem. In this ecosystem lesson, 6th graders observe the organisms at the pond and create a poster that illustrates the pond.

High schoolers illustrate the adaptation and co-evolution of organisms. They examine set up an experiment to determine the effect of adding the Rhizobium bacteria to a group of legume seeds.

In this fungus non-fiction reading comprehension worksheet, students read a 3 page selection that describes the characteristics and life of fungi. They answer 10 questions based on the reading which include true or false, multiple...

Students complete various activities in order to explain that ecosystems are complex and that animal behavior (mainly that of a predator) is not necessarily intentional or bad.

Students explore the interaction between the forest and wildlife. In this forestry lesson, students collect data about forest ecosystems, species of trees, photosynthesis, and interaction of organisms. They prepare a lab activity to...

Students work together in groups to report on different topics related to decomposition. They answer questions and share their answers with the class. They discuss any topic that is unclear.

In this ecology worksheet, students will review 10 vocabulary words associated with the basic principles of ecology. This worksheet has 10 fill in the blank questions.

In this sentence completion worksheet, young scholars choose the best word(s) to complete each sentence from five possible choices.

In this sentence completion worksheet, students complete sentences by filling in the blanks for 2 words in each sentence. Students complete 10 sentences.

Seventh graders research organisms in the Merritt Island National Wildlife Refuge. They create a picture book demonstrating their understanding of relationships.

Given scenarios or illustrations, the student will determine the nature and type of relationship between organisms, including parasitism, commensalism, mutualism, and competition.

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

Symbiosis is featured in this video to help students understand the process through an engaging video. Know terms like parasites and mutualism to be successful on the test.

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...

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.] Symbiosis describes a close and long-term relationship between different species. At least one species will benefit in a symbiotic relationship. There are three...

[Free Registration/Login may be required to access all resource tools.] Overview of symbiotic relationships.

In this lesson, students learn about different types of ecological relationships, including symbiosis, mutualism, commensalism, and parasitism. Includes handouts and a vocabulary list with definitions.