Relationships in an Ecosystem

Many organisms live in close association with other organisms in a relationship called...

• predation

• mutualism

• neutralism

• symbiosis

Tags

NGSS.MS-LS2-2

A positive type of symbiosis where both organisms benefit in the relationship is called...

• predation

• mutualism

• mensalism

• parasitism

A neutral type of symbiosis in which one organism benefits and the other is not helped or harmed is called...

• predation

• parasitism

• commensalism

• neutralism

A negative symbiosis where one organism steals nutrients from their hosts is called

• mutualism

• commensalism

• neutralism

• parasitism

A type of symbiosis where organisms only share indirect contact with one another is called..

• mutualism

• neutralism

• commensalism

• parasitism

Tags

NGSS.MS-LS2-2

A diagram that shows how energy is passed from one trophic level to the next is called...

• energy pyramid

• food web

• food chain

• trophic level

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Only about ____ of the energy from one trophic level is available for the organisms in the next trophic level.

• 20%

• 15%

• 10%

• 5%

Tags

NGSS.MS-LS2-3

An organism that cannot produce its own food is called a consumer or..

• autotroph

• heterotroph

• chemoautotroph

• saprophyte

A term that means when one animal hunts another for food.

• predation

• symbiosis

• mutualism

• mensalism

Tags

NGSS.MS-LS2-2

Which of these populations is most likely to decrease if the number of grasshoppers decreases?

• plants

• frog

• praying mantis

• owl

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4