Relationships in Ecosystems

Front

What is mutualism?

Back

A relationship between organisms or species that is helpful to both.

Front

What is parasitism?

Back

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

Front

What is interspecific competition?

Back

When two different species compete for the same resources.

Front

What is intraspecific competition?

Back

When individuals of the same species compete for resources.

Front

What does interdependent mean in an ecosystem?

Back

Having multiple systems that work together to accomplish various tasks.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Front

What is commensalism?

Back

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

Front

Give an example of mutualism.

Back

Bees pollinating flowers; both benefit.

Front

Give an example of parasitism.

Back

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

Front

What is the role of decomposers in an ecosystem?

Back

They break down dead organisms, returning nutrients to the soil.

Tags

NGSS.MS-LS2-3

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass.

Tags

NGSS.MS-LS2-3