Food Webs and Energy in an Ecosystem

How do consumers get their energy? 

• laying in the sun
• eating other organisms 
• providing food for other organisms
• surviving in an ecosystem 

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The image provided is an example of a(n):

• Producer
• Autotroph
• Consumer
• Insect

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Which organism do the owl and the weasel compete for in the food web?

• Hawk
• Spider
• Grasshopper
• Shrew

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What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.
• The number of primary consumers would increase.
• The number of plants would increase.
• The number of secondary consumers would increase.

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Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.

• There would be a decrease in the grass/flowers population.

• There would be a decrease in the mice population.

• There would be an increase in the grass/flowers population.

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Which one is NOT an example of a decomposer?

• mushroom
• leaves
• mold
• worm

Example of a decomposer

• fungus
• mouse
• plants
• frogs

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NGSS.MS-LS2-3

The relationship between ALL the organisms in a community showing who eats whom is called a ___________________________.

• Food Web
• Food Chain
• Abiotic Factors
• Biotic Factors

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One path that energy could take through an ecosystem is called a ________________________.

• Food Web
• Food Chain
• Abiotic Factors
• Biotic Factors

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Where does the energy that travels through an ecosystem originally come from?

• Earth's Core
• Water
• Plants
• The Sun

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