Food Chain

Which best describes what a food chain shows you?

• Energy flow through an ecosystem
• Food flowing through an ecosystem
• Consumers going into other consumers
• Who eats who

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Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

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Which of these organisms would receive energy from the snake?

• Plant
• Rabbit
• Mouse
• Hawk

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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 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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How much energy is available to be passed on to the next trophic level in an ecosystem?

• 100%
• 10%
• 50%
• 75%

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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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What may happen if the snowshoe hare was removed from the food web pictured?

• The insects in the habitat would increase.
• The shrew population would decrease due to being only hawk food source.
• The willow tree population would decrease.
• Foxes would dies due to no food source. 

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Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

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