Food Webs and Symbiosis

What are plants called in a food chain?

• Producers
• Consumers
• Decomposers
• Scavengers

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What are animals called in a food chain?

• Producers
• Consumers
• Decomposers
• Plants

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What are the organisms that break down dead stuff?

• Producers
• Consumers
• Decomposers
• Organisms

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What is the role of a producer?

• Use sunlight to make food
• Gain energy from eating other organisms
• Keep other species from overpopulating
• Breaking down dead stuff 

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What's the role of consumers in a food chain?

• Use sunlight to make food 
• Eat other species and keep them from overpopulating
• Break down dead stuff
• Add nutrients to the soil

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All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen

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What does a food chain represent?

• How all living organisms within a habitat are connected.
• All of the things that a particular animal eats.
• How plants create their own food.
• A single path of energy transfer within a habitat.

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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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An energy pyramid represents what?

• How much sunlight is available for the ecosystem to use. 
• How much energy a particular organism needs. 
• How much energy is needed to build a pyramid. 
• The amount of energy available to the next 'feeder' in a food web.

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