Predation Competition & Symbiosis

Front

What is mutualism?

Back

A type of symbiosis in which both species benefit from the relationship.

Tags

NGSS.MS-LS2-2

Front

Give an example of mutualism in nature.

Back

The relationship between remora fish and sharks, where remoras gain protection and sharks are cleaned of parasites.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-5

Front

What is competition in ecological terms?

Back

Competition occurs when two organisms are trying to acquire the same resources.

Tags

NGSS.MS-LS2-2

Front

What can lead to competition among animals of the same species?

Back

Limited supply of resources such as food, water, or territory.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

What is commensalism?

Back

A type of symbiosis where one species benefits while the other is unaffected.

Tags

NGSS.MS-LS2-2

Front

Provide an example of commensalism.

Back

Barnacles attaching to whales, where barnacles benefit by gaining a home and the whale is unaffected.

Front

What is predation?

Back

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

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Front

How does predation affect population dynamics?

Back

Predation can regulate prey populations and influence the structure of the ecosystem.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Front

What is the difference between mutualism and commensalism?

Back

In mutualism, both species benefit; in commensalism, one benefits and the other is neither helped nor harmed.

Tags

NGSS.MS-LS2-2

Front

What is an example of competition in an ecosystem?

Back

Two species of birds competing for the same nesting sites or food sources.