Ecology Part 1 Review

In this food chain, how many types of primary consumers (herbivores) are included?

• 0

• 1

• 2

• 3

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How do you think this food web would be affected if the plants were eliminated?

• Only the fungi would survive.

• Birds and nematodes would thrive.

• The food web would completely collapse.

• The food web would produce more bacteria to compensate.

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All energy in any ecosystem starts as

• carbohydrates.

• electricity.

• sunlight.

• water.

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Which of these organisms is a part of the group that produces all of the available energy in a food web?

• Fly

• Grass

• Mouse

• Sun

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All of the squirrels, grass, oak trees, and turtles in a forest would be considered a

• community.

• habitat.

• population.

• species.

A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.

• Population
• Community
• Habitat
• Ecosystem

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Green plants are

• producers
• consumers
• herbivores
• omnivores

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The image provided is an example of a(n):

• Producer
• Autotroph
• Consumer
• Insect

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Organisms that breaks down and absorbs nutrients from dead organisms 

• consumer
• trophic level
• decomposer
• species

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• 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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