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Symbiosis - PowerPoint PPT Presentation


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Symbiosis. It’s all about relationships!. Symbiosis is a close relationship between two or more different species. Mutualism. Mutualism— A relationship where both species benefit from the relationship. Parisitism.

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symbiosis

Symbiosis

It’s all about relationships!

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Parasitism-- A relationship between two species in which one species (the parasite) nourishes itself to the disadvantage of the other species (the host).

commensalism
Commensalism

Cleaner shrimp cleaning a zebra moray eel. Mutualistic relationships such as these promote the well-being of the host fishes and provide food for those that do the cleaning.

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Commensalism—A relationship where one species obtains food or shelter from the other species. Does not harm or help the other species.
ammensalism
Ammensalism

The black walnut secretes a chemical from its roots that harms neighboring plants, an example of amensalism.