Food Webs, Ecology, Energy Pyramids

What does a food web represent?

• All connections of energy flow throughout all organisms in a ecosystem.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

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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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Which of the following is a herbivore?

• cricket
• frog
• hawk
• shrew

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How many carnivores are shown in this food web?

• 6
• 4
• 5
• 3

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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Bears eat fish, insects, plants, seeds, nuts and young elk. They are called __________.

• Franivore
• Carnivore
• Herbivore
• Omnivore

Lions only eat buffalo, antelopes, zebras and crocodiles. They are called __________.

• Omnivore
• Herbivore
• Carnivore
• Delivore

If the grasshopper were to be removed completely from the food web, what organism would be most affected?

• The squirrel
• The shrew
• The deer
• The rabbit

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Which organism receives the least amount of energy from the producer?

• Owl
• Grasshopper
• Lilypad
• Mouse

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