Interactions between Organisms

Front

What is symbiosis?

Back

A close relationship between two species that benefits at least one of the species.

Front

What is competition in ecology?

Back

Organisms striving for the same limited resources.

Front

What is commensalism?

Back

A type of symbiotic relationship where one species benefits and the other is neither helped nor harmed.

Front

What is mutualism?

Back

A symbiotic relationship where both species benefit.

Front

What is parasitism?

Back

A symbiotic relationship where one species benefits at the expense of the other.

Front

What is an abiotic factor?

Back

A non-living part of the environment, such as temperature, water, and sunlight.

Front

What is a biotic factor?

Back

A living part of the environment, such as plants, animals, and bacteria.

Front

Give an example of mutualism.

Back

Bees pollinating flowers; both the bee and the flower benefit.

Front

Give an example of commensalism.

Back

Cattle egrets feeding on insects stirred up by cattle; the egrets benefit while the cattle are unaffected.

Front

What is predation?

Back

An interaction where one organism (the predator) kills and eats another organism (the prey).