Species Interactions

Front

What is mutualism?

Back

A relationship between two organisms in which both organisms benefit.

Front

What is parasitism?

Back

A relationship between two species where one benefits while the other is harmed.

Front

What is a keystone species?

Back

A species that plays a far more important role in its community than its relative abundance might suggest.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Front

What does the Competitive Exclusion Principle state?

Back

No two species can occupy the same niche.

Front

What is competition in species interactions?

Back

A type of species interaction where two organisms fight over the same resources.

Tags

NGSS.MS-LS2-2

Front

What is commensalism?

Back

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

Front

What is predation?

Back

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

Front

What is an indicator species?

Back

A species whose presence, absence, or abundance reflects a specific environmental condition.

Front

What is an exotic species?

Back

A species that is not native to a particular region and has been introduced from another area.

Front

What is a pioneer species?

Back

The first species to colonize previously disrupted or damaged ecosystems.