Relationships in an Ecosystem

What is mutualism?

• One organism benefits greatly and the other is not harmed
• One organism benefits while the other is harmed
• Close relationship where both organisms benefit

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NGSS.MS-LS2-2

A limited supply of food and shelter in the same habitat will lead to -

• mutualism
• parasitism
• competition
• environmental changes

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

What is the organism that is harmed in a parasitic relationship?

• parasite
• host
• consumer
• producer

What is the type of symbiotic relationship that helps one organism, but does not harm or help the other?

• parasitism
• mutualism
• commensalism
• symbiosis

A tick living on a dog and taking its blood is an example of 

• commensalism
• predation
• mutualism
• parasitism

Tags

NGSS.MS-LS2-4

A feeding relationship where one organism hunts and one is hunted.

• Commensalism
• Decomposistion
• Mutualism
• Predator-Prey

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NGSS.MS-LS2-2

NGSS.MS-LS2-4

Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.

• mutualism
• commensalism
• competition
• parasitism

Tags

NGSS.MS-LS2-2

Red-billed oxpeckers are birds that feed on parasites found on an impala. The impala gets rid of parasites and the red-billed oxpeckers get a yummy dinner. This is an example of _______.

• commensalism
• mutualism
• neutralism
• competition

Tags

NGSS.MS-LS2-2

Two male Giraffes are fighting over the last green leaf of a tree that is dying.  

• Competition
• Mutualsim
• Predation
• Commensalism

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

What type of symbiosis?  Skunks often live in burrows that have been dug and abandoned by woodchucks.  

• commensalism
• mutualism
• parasitism
• predation

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