7.EC.5B.1 Develop and use models to explain how organisms interact in a competitive or mutually beneficial relationship for food, shelter, or space (including competition, mutualism, commensalism, parasitism, and predator-prey relationships).
In a symbiotic relationship, two different species of organisms live close together and one member always benefits from the relationship. The other member may also benefit, or it may be harmed or unaffected by the relationship. There are three main forms of symbiosis: (1) mutualism, (2) commensalism and (3) parasitism. Click on the links below to see more examples off symbiotic relationships.
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