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20
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Compare the number of individuals in the producer level to the individuals in the secondary consumer level within a typical ecosystem?
The producer level contains more individuals than the secondary consumer level. : Secondary consumer has a smaller population.
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20
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What is the name of the step in the nitrogen cycle that converts nitrogen gas (N2 ) to ammonia ( NH3)?
nitrogen fixation
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20
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What is the name of the step in the nitrogen cycle that converts ammonia(NH₃) to ammonium ( NH₄)?
ammonification
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banana
Go to last place!
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magnet
Take 5 points!
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fairy
Take points!
5
10
15
20
25
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banana
Go to last place!
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20
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How does the process of cellular respiration contribute to the carbon cycle?
Carbon dioxide is released to the atmosphere during cellular respiration.
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20
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What is the name of the step in the nitrogen cycle that converts nitrates (NO₃ ) back into nitrogen gas( N2) ?
denitrification
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20
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Which organism in this food web is a producer?
flagellates
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20
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What would happen to the population of sea lamprey if the mollusks population disappeared?
The population of sea lamprey would decrease because the mollusk is a main food source for the sea lamprey.
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monster
Reset all scores!
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rocket
Go to first place!
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shark
Other team loses 10 points!
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baam
Lose 25 points!
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20
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Which level on this trophic pyramid has the largest population?
producers
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20
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Each trophic level only gets 10% of the available energy, what happens to the other 90% of the energy?
lost as heat
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lifesaver
Give 25 points!
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star
Double points!
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rocket
Go to first place!
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banana
Go to last place!
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20
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Why is N2 gas considered unusable by plants and animals?
Plants and animals can not break the triple bond between the nitrogen atoms .
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20
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The law of conservation of energy states that energy can not be created or destroyed. Where does the flagellates get their energy from?
The sun
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20
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In the diagram what does box 1 represent in the carbon cycle?
carbon dioxide in the atmosphere
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20
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How does burning fossil fuels affect the carbon cycle?
Burning fossil fuels releases carbon dioxide into the atmosphere.
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