Chapter 14 Ecosystems and Biomes

What might occur when a carnivore is removed from the food web?

• A)  Nothing.  Organisms cannot impact things below them on the energy pyramid.
• B)  Primary consumers will overpopulate.
• C)  Plants will be over browsed by herbivores.
• D)  both B and C might occur.

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What percentage of energy is passed on to each trophic (feeding) level?

• 10%

• 50%

• 90%

• 100%

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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How do producers obtain energy?

• They perform photosynthesis.

• They consume plants.

• They consume primary consumers.

• They consume secondary consumers.

A food web can be broken down into many separate

• food chains

• food pyramids

• producers

• consumers

Which represents the largest group, with the most energy, in a food web?

• carnivores

• omnivores

• herbivores

• producers

Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

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Consumer that eats animals or meat

• carnivore
• omnivore 
• consumer
• producer

This is an image of a _________.

• consumer
• scavenger
• decomposer
• producer

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Which level has the most energy available for consumers?

• Producer
• Primary Consumer
• Tertiary Consumer
• Decomposer

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