Symbiotic Relationships

Front

What is mutualism?

Back

A relationship between two organisms in which both organisms benefit.

Front

Give an example of mutualism.

Back

Ostriches and gazelles feed next to each other, alerting each other to predators.

Front

What is commensalism?

Back

A relationship between two organisms in which one organism benefits and the other is unharmed.

Front

What symbols best describe parasitism?

Back

+,- (one organism benefits while the other is harmed).

Front

What type of symbiosis is it when skunks live in burrows dug by woodchucks?

Back

Commensalism.

Front

Define parasitism.

Back

A relationship where one organism benefits at the expense of another.

Front

What is competition in ecological terms?

Back

A relationship where two organisms compete for the same resources.

Front

What is an example of competition?

Back

Two plants competing for sunlight.

Front

What is the difference between mutualism and commensalism?

Back

In mutualism, both organisms benefit; in commensalism, one benefits and the other is unharmed.

Front

What is an example of parasitism?

Back

A tick feeding on a dog.