ES- Species Interactions: Ecological Relationships

Front

What is parasitism?

Back

A relationship between two organisms where one organism (the parasite) benefits at the expense of the other (the host), which is usually harmed.

Front

True or False: In a parasitism relationship, the host may not always be harmed.

Back

False

Front

What is symbiosis?

Back

A close association between two different organisms, which can be mutualistic, commensalistic, or parasitic.

Front

What is the role of a zebra in a predator-prey relationship?

Back

Prey

Front

What is commensalism?

Back

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

Front

What is mutualism?

Back

A relationship between two organisms where both benefit from the interaction.

Front

Give an example of mutualism.

Back

Bees pollinating flowers; bees get food (nectar) and flowers get pollinated.

Front

Give an example of commensalism.

Back

Barnacles attaching to a whale; barnacles benefit by getting a ride to feeding areas, while the whale is not affected.

Front

What is competition in ecology?

Back

A relationship where two organisms compete for the same resources, such as food, space, or mates.

Front

What is the difference between a predator and prey?

Back

A predator is an organism that hunts and eats another organism (prey).