Onramps Bio Unit 5 Flow of Energy

• Producer
• Primary Consumer
• Autotroph
• Decomposer

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• Producer
• Primary Consumer
• Secondary Consumer
• Decomposer

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• Producer
• Primary Consumer
• Secondary Consumer
• Decomposer

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Which of the following is NOT a heterotroph?

• grass
• fungus
• shark
• sea urchin

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What percentage of energy is passed on to each trophic level?

• 10%
• 50%
• 90%
• 100%

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The arrows in a food chain or web represent ...

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

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The owl and weasel compete for which organism?

• Hawk
• Spider
• Grasshopper
• Shrew

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An animal that is hunted and eaten for food is the  __________.

• predator
• prey
• population

An organism that gets energy from eating other organisms is a ______________.

• producer
• consumer
• decomposer
• prey

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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