Food Webs and Ecological Pyramids Z Quick Quiz 3

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

• producer
• consumer
• decomposer
• prey

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NGSS.MS-LS2-3

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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NGSS.MS-LS2-1

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Which of the following best describes the small bird in the food web above?

• primary and secondary consumer
• secondary and tertiary consumer
• primary consumer only
• secondary consumer only

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NGSS.MS-LS2-2

The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain organisms that can photosynthesize?

• A
• B
• C
• D

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NGSS.MS-LS1-6

If the small bird on trophic level 3 in the pyramid has 50 kcal of energy available, how many kcal of energy were present in the trees?

• 5
• 500
• 5000
• 0.5

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NGSS.MS-LS2-3

Which organisms would likely have the largest biomass?

• mountain lions and eagles
• snakes and frogs
• squirrels and deer
• flowers, trees and fruit

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NGSS.MS-LS2-3

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What does the arrow in a food chain or food web mean?

• A series of steps in which organisms transfer (move) energy by eating and being eaten.
• An organism that breaks down wastes and dead organisms.
• Shows what eats what and consists of many food chains in an ecosystem
• The transfer (movement) of energy.

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NGSS.MS-LS2-3

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What is the definition of a food chain?

• An animal that eats only plants
• A series of steps in which organisms transfer (move) energy by eating and being eaten.
• The transfer (movement) of energy.
• Shows what eats what and consists of many food chains in an ecosystem

As energy makes its way up the food pyramid only ______ of energy from one organism gets passed on to the next organism.

• 10%

• 20%

• 30%

• 40%

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NGSS.MS-LS2-3

If there is 10,000 kJ of energy available in the producer population, how many kilojoules of energy would be found in the carnivore population?

• 10,000 kJ

• 1,000 kJ

• 100 kJ

• 10kJ

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NGSS.MS-LS2-3

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