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SYMBIOTIC RELATIONSHIPS
Create a Concept Web in your Science Journal That looks like
this
Mutualism
Symbiosis
Commensalism
Parasitism
What is symbiosis?
Definition: A close relationship between two different kinds of organisms in which at least one of the organisms benefits.
It is usually a relationship that lasts over a period of time .
Types of Symbiosis
There are three types of symbiotic relationships.MutualismCommensalismParasitism
Mutualism A type of symbiosis
in which both organisms benefit from the relationship.
The bee gets a meal and the flower gets help reproducing
Mutualism:Moray eel with Cleaner Fish
Moray eel gets a clean mouth Cleaner Fish gets a meal
Mutualism: Antelope with Oxpecker
Antelope gets parasites removed. Oxpecker gets a
meal
Commensalism• A type of symbiosis
where one species benefits while the second species is neither helped nor harmed.
(it is unaffected)
Cattle and egret.
Commensalism: Cattle w/ cattle egrets
Cattle stir up insects as they eat grass
Egrets hang around and eat insects
Orchids grow on tree branches in rainforests to be closer to sunlight
Parasitism A type of symbiosis
where one organism benefits while the other is harmed.
Usually the parasite lives in or on the host organism. Wasp and caterpillar
Parasites common in dogs
Aphids or “Plant Lice” suck the sap from plants
Do parasites generally kill their host?
Why?