SymbiosisTarget 8

Symbiosis Parasitism Parasite Host Commensalism Mutualism

(Just in case you didn’t write them down, they are on pages R71, R79, R80, and R85. Host is not in the textbook. I can also turn back slides.)

Vocabulary words used:

An interaction between individuals from two species that live closely together.

Symbiosis-

There are 3 types of symbiosis

ParasitismCommensalismMutualism

A relationship between two species in which one species benefits while the species it depends on, its host, is harmed.

Parasitism-

Parasites are often microorganisms.

Ex.Tapeworms feed off of nutrients from its host, while the host is deprived of nutrients and gets sick.

Isn’t it GROSS?

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Tapeworm

A relationship between two species in which one species benefits while the other is not affected.

Commensalism-

Commensalism is common in oceans.

Ex.Fish swim under jellyfish for protection. Nothing happens to the jellyfish.

Aren’t they COLORFUL?

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Fish

An interaction between two species that benefits both.

Mutualism-

Mutualism can be necessary for survival.

Ex.Protozoans (a type of microorganism) break down wood that the termites can’t digest and get a safe place to live.

That tree has a serious INFESTATION problem.

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Termite damage