Ecological Ecological RelationshipsRelationships
Competition and PredationCompetition and Predation CompetitionCompetition – – occurs when occurs when
organisms of the same or different organisms of the same or different species attempt to use an ecological species attempt to use an ecological resource in the same place at the resource in the same place at the same timesame time
Predation – interaction in which one Predation – interaction in which one organism captures and feeds on organism captures and feeds on another organismanother organism
SymbiosisSymbiosis
SymbiosisSymbiosis – – relationship in which two relationship in which two species live closely togetherspecies live closely together
Symbiotic relationshipsSymbiotic relationships MutualismMutualism ParasitismParasitism CommensalismCommensalism
MutualismMutualism Symbiotic relationship in which both Symbiotic relationship in which both
species benefit from the relationshipspecies benefit from the relationship Example: The Red-billed Oxpecker Example: The Red-billed Oxpecker
eats ticks on the Buffalo's coateats ticks on the Buffalo's coat
ParasitismParasitism Symbiotic relationship in which one Symbiotic relationship in which one
organism lives in or on another organism lives in or on another organism (the host) and organism (the host) and consequently harms it.consequently harms it.
Example: Tick feeding off the blood Example: Tick feeding off the blood of a dogof a dog
CommensalismCommensalism Symbiotic relationship in which one Symbiotic relationship in which one
member of the association benefits member of the association benefits and the other is neither helped nor and the other is neither helped nor harmedharmed
Example: Barnacles on a whale and Example: Barnacles on a whale and clown fish living amongst sea clown fish living amongst sea anemonesanemones
Top Related