Today’s Agenda… Bellringer: Review Worksheet

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Presentation transcript:

Today’s Agenda… Bellringer: Review Worksheet Notes on Relationships Between Organisms Symbiosis Skits

Relationships Between Organisms Study Pack #10 Relationships Between Organisms

Today’s Goals… I can examine different types of relationships that occur among populations in a community.

Symbiosis Any close relationship between two or more different species Mutualism Commensalism Parasitism

Mutualism Both organisms benefit from the relationship Examples: Figure 15, page 542

Commensalism One organism benefits and the other is not affected Example: Flatworms in the gills of a horseshoe crab

Parasitism One species benefits and the other is harmed Example: a tick on a dog

Predation The act of one organism hunting, killing, and feeding on another Controls population Availability of prey can be a limiting factor Predators can also be a limiting factor

Assignment Symbiosis Skit