Symbiotic Relationships

Any close relationship between species is called symbiosis.

Created by Mr. Whittaker Woodbury School Grade 6 Science, 2005-06

Mutualism• Win / Win Situation + / +• A symbiotic relationship in which both species

benefit.

How is the relationship between a bee and a flower an example of mutualism?

Commensalism

• Win / no affect + / 0• A symbiotic relationship in which one organism

benefits and the other is not affected is called commensalism.

Parasitism

• Win / Lose + / -• A symbiotic relationship in which one organism

benefits but the other is harmed is called parasitism.

Symbiotic Relationships Quick Reference

• Mutualism = + / + relationship

• Commensalism = + / 0 relationship

• Parasitism = + / - relationship

Symbiotic Relationship Activity

• Create 2 imaginary organisms that have a symbiotic relationship.

• Mutualism, Commensalism, Parasitism

• Brainstorm organisms on a Venn Diagram & describe the type of relationship.

• Create a drawing showing the relationship with one sentence describing the relationship.