Relationships Between

Organisms

Symbiosis• Symbiosis is a close ecological

relationship between the individuals of two (or more) different species.

Mutualism • Both species benefit

– Flowers and bees – Pilot fish and sharks

Parasitism

• One species benefits, the other is harmed– Tapeworm and human– Fleas and dogs

Commensalism

• One species benefits, the other is unaffected – Whales and barnacles– Clown fish and sea anemone

Predator-Prey Relationship