Ecological Relationships - OL

Front

What is mutualism?

Back

A relationship between two organisms in which both organisms benefit.

Front

What is commensalism?

Back

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

Front

What is parasitism?

Back

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

Front

What is predation?

Back

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

Front

Give an example of mutualism.

Back

Cleaner shrimp and larger fish; the shrimp clean parasites off the fish, benefiting both.

Front

Give an example of commensalism.

Back

A bird building a nest in a tree; the bird benefits while the tree is neither helped nor harmed.

Front

Give an example of parasitism.

Back

A tick feeding on a dog; the tick benefits while the dog is harmed.

Front

Give an example of predation.

Back

A lion hunting and eating a zebra.

Front

What is the main difference between mutualism and parasitism?

Back

In mutualism, both organisms benefit; in parasitism, one benefits at the expense of the other.

Front

What type of relationship involves one organism benefiting while the other is harmed?

Back

Parasitism.