Front

What is symbiosis?

Back

Symbiosis is living together, close relationship between two species.

Front

What is commensalism?

Back

Commensalism is a one-sided relationship where one organism benefits greatly and the other is not helped nor harmed.

Front

What is mutualism?

Back

Mutualism is when both organisms benefit from the relationship.

Front

What is parasitism?

Back

Parasitism is when one organism benefits at the expense of the other.

Front

Give an example of commensalism.

Back

An example of commensalism is barnacles attaching to a whale; the barnacles benefit while the whale is not affected.

Front

Give an example of mutualism.

Back

An example of mutualism is bees pollinating flowers; both the bees and the flowers benefit.

Front

Give an example of parasitism.

Back

An example of parasitism is a tapeworm living in the intestines of a host.

Front

What does it mean when we say one organism is a host?

Back

A host is an organism that provides nourishment and shelter to a parasite.

Front

What is the difference between mutualism and commensalism?

Back

In mutualism, both organisms benefit; in commensalism, one benefits while the other is not affected.

Front

What is the role of a parasite in a symbiotic relationship?

Back

A parasite benefits from the relationship, often harming the host.