Food Webs and Energy Pyramids: Bedrocks of Biodiversity

What do the arrows in a food web represent?

• mass

• energy flow

• matter

• organisms

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What happens as you move higher in the energy pyramid?

• more organisms

• fewer organisms

• number of organisms does not change

• organisms die

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What type of organism is at the beginning of every food chain?

• predator

• carnivore

• producer

• herbivore

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This diagram shows how energy flows through an eco-system. What is the first source of energy in this pyramid?

• sharks and large birds

• algae, plankton and seagrass

• herbivorous fish, crustaceans and sea urchins

• seals and carnivorous fish

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What kind of living thing can make its own food?

• producer

• consumer

• predator

• herbivore

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The rabbit in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

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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 level will contain plants?

• A
• B
• C
• D

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In the food web pictured here, flies provide energy for...

• Dragonflies, Turtles, & Frogs

• Slugs & Fish

• Water Weeds & Algae

• Snakes, Frogs, & Kingfishers

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Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf