Food Webs & Chains

All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen

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An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

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An organism that uses sunlight to create its own food is known as a:

• Producer
• Heterotroph
• Consumer
• Decomposer

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The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

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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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Why might an organism have more than one arrow coming from them in a food web?

• More than one organism may eat them. 
• They may eat more than one other organism. 
• This organism gets its energy from multiple sources. 
• They have no resources available to them.

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The group of organisms found in a food web with the largest amount of ENERGY would be:

• Primary Consumers

• Producers

• Decomposers

• Tertiary Consumers

The rabbit in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

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The fox in this food web would be considered a:

• Tertiary Consumer
• Producer
• Secondary Consumer
• Primary Consumer

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The mouse in this food web would be considered a:

• Primary Consumer
• Producer
• Tertiary Consumer
• Secondary Consumer

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