Energy Flow In Ecosystems

How would you classify plants?

• Herbivore

• Omnivore

• Primary Consumer

• Primary Producer

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Which of the following is a food chain in the food web?

• Rabbit, mountain lion, fox

• Grass, grasshopper, frog, snake, hawk

• Grass, caterpillar, robin, mountain lion

• Tree, deer, mountain lion, fox

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NGSS.MS-LS2-3

How do most producers make their own food?

• Using light energy to make carbohydrates

• Using chemical energy to make carbohydrates

• Changing water into carbon dioxide

• Breaking down remains of organisms.

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What is the purpose of a decomposer?

• To break down dead materials and waste from consumers

• Eat living organisms

• Perform photosynthesis to make carbohydrates

• Make carbohydrates using chemical energy.

Tags

NGSS.MS-LS2-3

A food web is a single linear path showing the flow of energy from one organism to another. It is not an interconnected relationship diagram of organisms in a community.

• TRUE

• FALSE

Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?

• Frog, Dragon Fly and snake
• Frog, trout and dragon fly
• Frog, salamander and trout
• Frog and phytoplankton

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NGSS.MS-LS2-2

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What may happen if the snowshoe hare was removed from the food web pictured?

• The insects in the habitat would increase.
• The shrew population would decrease due to being only hawk food source.
• The willow tree population would decrease.
• Foxes would dies due to no food source. 

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NGSS.MS-LS2-1

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How much energy is passed from one trophic level to the next?

• .1%

• 1%

• 10%

• 100%

Tags

NGSS.MS-LS2-3

A community of living and nonliving things in their natural environment makes up a 

• food web
• ecosystem
• food chain
• population

Tags

NGSS.MS-LS2-1

An organism that gets energy from eating other organisms is a ______________.

• producer
• consumer
• decomposer
• prey