Download Symbiotic Relationships - Mr. Troshak

Symbiotic Relationships
Mr. Troshak
Symbiosis
• Symbiosis-A close relationship where at least one
species benefits and the other species is unharmed,
benefits or is harmed.
Mutualism
• Mutualism- Where both species benefit
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Example: Egyptian Plover Bird and Crocodile
Explanation of Relationship: The Egyptian Plover bird
benefits from getting food while the crocodile benefits
from getting food removed from teeth.
Commensalism
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Commensalism: Where on species benefits and the other is
not harmed.
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Example: Cattle Egret and Cattle
Explanation of relationship: The cattle egret forages in pastures
and fields among livestock such as cattle or horses. They feed on
the insects stirred up from the gazing cattle. The cattle egret get
food and the cattle are unharmed.
Video
Parasitism
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Parasitism- Relationship between species within an ecosystem
where on species benefits (parasite) and the other species is harmed
(host)
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Example: Fleas and dogs
Explanation: The fleas feed on the blood of the dog, the dogs are harmed.
Not an example: Lions and Zebras
Must be CLOSE relationship, one species usually lives in or on another species
Parasitism Con’t
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Example: Horsehair worms and Pray Mantis
Video