Symbiosis and other ecological relationships

Front

What is mutualism?

Back

A relationship in which both organisms involved benefit from the interaction.

Front

What is commensalism?

Back

A relationship where one organism benefits and the other is unaffected.

Front

What is parasitism?

Back

A relationship where one organism benefits at the expense of another, often harming it.

Front

What is predation?

Back

A relationship where one organism (the predator) eats another organism (the prey).

Front

What happens to prey numbers when predator numbers decrease?

Back

Prey numbers increase because fewer of them are being consumed.

Front

What is a predator?

Back

An organism that eats another organism.

Front

What is a prey?

Back

An organism that is eaten by another organism.

Front

How are predation and parasitism similar?

Back

Only one organism in each relationship benefits.

Front

Give an example of mutualism.

Back

Bees pollinating flowers; both benefit.

Front

Give an example of commensalism.

Back

A feeder fish following a shark to eat scraps; the shark is unaffected.