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Symbiosis

Ecological Relationships

TermDefinition
Commensalism a relationship between two organisms in which one organism benefits and the other is unaffected
Competition the relationship between species that attempt to use the same limited resource
Decomposer an organism that feeds by breaking down organic matter from dead organisms; examples include bacteria and fungi
Habitat the place where an organism usually lives
Mutualism a relationship between two species in which both species benefit
Parasite an organism that lives on or in a host and causes harm to the host
Parasitism a relationship between two species in which one species, the parasite, benefits from the other species, the host, and usually harms the host.
Predator Any animal that lives by preying on other animals
Prey An organism that is killed and eaten by another organism, a predator.
Symbiosis a relationship in which two different organisms live in close association with each other
Biotic the living organisms in an ecosystem
Abiotic describes the nonliving part of the environment, including water, rocks, light, and temperature
Consumer organisms that consume other organisms to obtain their energy
Popular Ecology sets

 



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