Food Chain/Food Web/Energy Pyramid

Energy that moves through a food chain starts with --

• the sun

• consumer

• food chain

• energy

Plants, insects, frogs and snakes live in an ecosystem. What would happen if the snakes were removed from the ecosystem?

• insect population would increase.

• Frog population would decrease.

• Plant population would decrease.

• Frog population would increase.

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The path of food energy from one organism to another.

• Producer

• the sun

• Food Chain

• consumer

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The food chain is --

• The movement of water from the surface to the atmosphere

• The path of food energy from one organism to another

• The ranking of organism by size in an ecosystem

• A list of food that consumers will eat in an ecosystem.

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What type of organisms make their own food for energy?

• Consumers

• Decomposer

• Producers

• Predators

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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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What is a trophic level?

• Each level represented within a food chain or web.
• Levels of ecosystems that the world is divided into.
• Different levels of nutrients present within an organism.
• The levels of sunlight an autotroph needs to survive. 

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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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The largest group of organisms found in a food web would be:

• Primary Consumers
• Producers
• Decomposers
• Tertiary Consumers

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