Relationships in Ecology

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

The organism that is harmed in a parasitic relationship?

• parasite

• host

• consumer

• producer

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NGSS.MS-LS2-2

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

• parasitism

• mutualism

• commensalism

Fleas and ticks are examples of what?

• predators
• prey
• hosts
• parasites

What is a predator?

• Neither
• An organism that is consumed
• An organism that does the consuming

Tags

NGSS.MS-LS2-2

What is prey?

• An organism that is consumed
• An organism that consumes
• neither

A tapeworm lives in human intestines absorbing the nutrients that would normally be absorbed by the person.  This eventually causes the person to experience health problems.  This relationship is -

• predator/prey
• parasite/host
• herbivore/omnivore
• consumer/producer

The food web shown is found in a marine ecosystem.  The heron is considered a - 

• producer
• primary consumer
• secondary consumer
• decomposer

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NGSS.MS-LS2-2

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

a relationship between two in which one species, the predator, feeds on the other species, the prey

• chemosynthesis
• predation
• cellular respiration 
• commensalism

Tags

NGSS.MS-LS2-2

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