DOL 3/26 Commensalism

Front

What is commensalism?

Back

A symbiotic relationship between two living organisms where one benefits and the other is neither harmed nor helped.

Front

Which organism benefits in a commensalistic relationship between barnacles and whales?

Back

Barnacles benefit from the relationship.

Front

What is an example of commensalism involving a plant and an animal?

Back

A plant's seeds sticking to a passing animal's fur for transportation.

Front

Give an example of commensalism in nature.

Back

The relationship between a hermit crab and an old snail shell.

Front

What is mutualism?

Back

A symbiotic relationship where both organisms benefit.

Front

What is parasitism?

Back

A symbiotic relationship where one organism benefits at the expense of the other.

Front

How do barnacles benefit from their relationship with whales?

Back

Barnacles gain a place to live and access to food as the whale moves through water.

Front

What is the difference between commensalism and mutualism?

Back

In commensalism, one organism benefits while the other is unaffected; in mutualism, both organisms benefit.

Front

Can commensalism be beneficial for the host organism?

Back

No, in commensalism, the host organism is neither harmed nor helped.

Front

What is an example of mutualism?

Back

The relationship between a hummingbird and a flower, where both benefit.