Ecological Levels, Ecological Relationships and Food Webs

When two species within a community rely on the same limited resource for survival it is called --

• symbiosis

• competition

• predation

• niche

Ecosystems require constant inputs of ________ from sunlight or chemicals.

• waste

• food webs

• energy

• trophic levels

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NGSS.MS-LS2-3

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What is the study of interactions between organisms and their environment?

• biology

• niche

• community

• ecology

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A keystone species:

• plays an especially important role in its community.

• is typically in the first trophic level.

• help predators capture prey.

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NGSS.MS-LS2-4

Why do you think it is important for us to understand energy flow between the trophic levels?

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Interspecific competition can lead to:

• specialization

• extinction

• adaptation

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Which food web best represents the flow of energy in these feeding relationships?

• 
• 
• 
• 

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NGSS.MS-LS2-3

The diagram shows the levels of organization within an ecosystem. The center circle represents an individual animal and each larger circle represents a larger ecological group. The second circle would represent a/an?

• community

• ecosystem

• organism

• population

The Hawk in this food web would be considered a --

• Producer

• Primary consumer

• Secondary consumer

• Tertiary consumer

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NGSS.MS-LS2-3

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Hummingbirds feed on nectar from flowers. The flowers are pollinated by the hummingbirds, allowing them to reproduce. This is an example of:

• commensalism

• mutualism

• parasitism

• predation

Tags

NGSS.MS-LS2-2

NGSS.MS-LS1-4