Commensalism Teacher Resources

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Students explore the different interspecies relationships namely mutualistic, commensal and parasitic. In this ecology lesson, students investigate an ecosystem disrupted by humans. They formulate an action plan to save it and present their proposed solutions in class.
Offering a comprehensive overview of symbiotic relationships, this presentation would be a great way to introduce or review material covered in a biology class. There are definitions, examples, and a quiz on the meaning of parasitism, mutualism and commensalism. In the quiz, there are a few pictures that teachers may want to swap for better illustrations.
As a result of this lesson, upper elementary ocean explorers will be able to describe several interrelationships: symbiosis, mutualism, commensalism, and parasitism. They learn that the biological richness is increased near seamounts and use this type of community to find examples of each of these relationships. After discussion of these concepts, learners work in groups to research an individual seamount community member. They prepare reports to share with the rest of the class. 
The topic is symbiotic relationships, and in this case, we get to look at the relationship between the sea anemone and the hermit crab. They review log entries from a Northwestern Hawaiian Island expedition which occurred in 2002, paying close attention to the observations about hermit crabs and anemones. They discuss symbiosis and how two organisms can mutually benefit from living in close proximity. To assess student understanding the class prepares a role-play to summarize what they've learned.
Use background information and vocabulary to familiarize your students with the concept of symbiosis and the role agriculture plays in the shared relationship. They then write the vocabulary in their lab books or journals, and read the story, listing the symbiotic categories.
Young scholars 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.
Learners investigate the interaction in an oceanic ecosystem. In this symbiotic relationship instructional activity, learners investigate how ecological relationships evolve over long periods of time in order to maintain balance and stability of the ecosystem. This instructional activity includes Quicktime video and a rubric.
Explore the different types of symbiotic relationships that exist between species. Your class will investigate how humans influence the evolution of bacteria through the development of antibiotics.
Young scholars explore the concept of beneficial microorganisms. In this microorganisms lesson plan, students observe different bacteria found in organisms  Young scholars discuss and describe three ways that microorganisms benefit humans. 
Eighth graders identify the basic elements of an ecosystem and their individual roles. In this life science lesson, 8th graders conduct a scavenger hunt in their local ecosystem. They collect evidence and explain how each component is interconnected with each other.
Investigate organisms and their symbiotic relationships to each other. Your seventh graders will become detectives in this activity and research outside resources to investigate wildlife and symbiotic relationships in nature.
Learners investigate the type of species surviving in a community. In this biology lesson, students differentiate between extinction and competition. They discuss competition and specialization of species.
In a series of lessons, examine the impact on humans by microcosms in the biosphere. Among the plans structured for students with different abilities and learning styles, are activities describing the symbiotic relationship, drawing the water cycle, identifying pollutants, describing hypozia and relating it to Long Island Sound.
Students discover how organisms are dependent on one another for survivial. They also discuss how to conserve natural resources. They compare and contrast the different types of symbiotic relationships as well.
Pupils learn about various types and examples of symbiotic relationships. They then create a memory card game in which they challenge others to match "hosts" with their appropriate "symbionts."
Literature containing life cycle information is available from many sources. Several examples of this type of literature are listed below with a synopsis and sample questions for each. These examples have been taken from a variety of reading and interest levels in the hopes that there will be something for everyone here. This brief survey is not meant to be inclusive, but rather to serve as a starting point.
In this species relationships worksheet, students will brainstorm animals or plants that are examples of mutualism, commensalism, and parasitism.
In this ecosystems learning exercise, students describe the types of community interactions and disturbances that can affect an ecosystem. Students compare the types of symbiosis - mutualism, commensalism, and parasitism. This learning exercise has 9 short answer questions.
In this trials for life worksheet, students fill in the charts as they watch a video. Students identify the types of symbiosis as mutualism, commensalism, parasitism, or predator-prey relationship.
Students investigate interrelationships among organisms. In this salt water lesson, students create a model of a salt water ecosystem. They maintain and track changes in population, plant growth, and water quality.

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