Food Web- Quiz Review

What might happen if salmon become endangered?

• Bears might have a hard time getting the energy they need.

• Bears would have an easier time finding food.

• There would be more bears in the wild.

• There would be less insects in the wild.

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The arrows in the diagram represent -

• the flow of energy

• decreasing temperature

• how they move

• an increase in size

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The diagram below shows an incomplete food chain.

Which of the following organisms would complete this food chain?

Sun--> _____ --> Insects --> Frogs

• Deer

• Plants

• Seaweed

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What is the original source of energy for all organism in a pond ecosystem?

• Plants

• Water

• Sun

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A new fish that eats plants is introduced into a pond. What changes would occur to this 

    pond ecosystem?

• The plant population will decrease.

• The amount of sunlight will decrease.

• The small fish population will increase.

• The plant population will increase.

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The Sun is important in many ways. What is the purpose of the Sun in a food chain?

• The Sun provides light for animals to see.

• The Sun provides energy for plants to make food.

• The Sun provides warmth for plants to survive.

• The Sun provides energy for animals to stay warm.

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Frogs live in a pond and eat flies, snails, and worms. If the frogs are removed from a pond, 

    what will happen to the worms?

• The worms will eat the snails.

  
  

• The worms will follow the frogs to their new location. 

•   The worm population will increase.

• The worms will die.

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Bees help pollinate flowers, which help more flowers grow. Flowers give shade to the snakes from the sun and they give snakes a place to hide from predators. Skunks eat the snakes. What could happen if ALL the bees were removed from the ecosystem?

What could happen if ALL the bees were removed from the ecosystem?

SELECT multiple answers

• Not all the flowers would get pollinated.

• The skunks might lose their prey.

• The snakes might lose their protection from the sun and predators.

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Predict what will happen if all the frogs were removed from this environment.

• All the producers might die.

• The bird population might increase. The snake population might increase.

• The grasshopper population might increase. The snake population might decrease. 

• All the grasshoppers might die. 

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The diagram shows a food chain.

Select the organism on the food chain that the  

      fox directly gets energy from below.

• Carrots

• Rabbit

• Sun

• Lion

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