Symbiotic Relationships

Front

What is a symbiotic relationship?

Back

A close interaction between two different species, where at least one species benefits.

Front

Define parasitism.

Back

A type of symbiotic relationship where one organism (the parasite) benefits at the expense of another organism (the host), which is harmed.

Front

What is mutualism?

Back

A symbiotic relationship where both organisms benefit from the interaction.

Front

Define commensalism.

Back

A type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed.

Front

Give an example of parasitism.

Back

A tapeworm living in the intestines of a cat.

Front

Give an example of mutualism.

Back

Bees pollinating flowers while obtaining nectar.

Front

Give an example of commensalism.

Back

Hermit crabs using empty snail shells for protection.

Front

What happens during competition between two organisms?

Back

One organism may be harmed while the other benefits.

Front

What is the role of the host in a parasitic relationship?

Back

The host is the organism that is harmed by the parasite.

Front

How do cattle egrets benefit from their relationship with cattle?

Back

They gain easy access to insects stirred up by the cattle.