Download Symbiotic Relationships

Ecological Relationships
Competition and Predation
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Competition – occurs when organisms of
the same or different species attempt to
use an ecological resource in the same
place at the same time
Predation – interaction in which one
organism captures and feeds on another
organism
Symbiosis
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Symbiosis – relationship in which two
species live closely together
Symbiotic relationships
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Mutualism
Parasitism
Commensalism
Mutualism
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Symbiotic relationship in which both
species benefit from the relationship
Example: The Red-billed Oxpecker eats
ticks on the Buffalo's coat
Parasitism
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Symbiotic relationship in which one
organism lives in or on another organism
(the host) and consequently harms it.
Example: Tick feeding off the blood of a
dog
Commensalism
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Symbiotic relationship in which one
member of the association benefits and
the other is neither helped nor harmed
Example: Barnacles on a whale and clown
fish living amongst sea anemones