oxygen is a gas produced by plants and used by .......
animals and people
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15
Animals and plants use substances that cycle through the environment. Which substance is needed by plants to survive and is released into the environment by animals?
carbon dioxide
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15
________________ could increase the amount of oxygen in the air.
Planting more trees.
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15
If all the trees on Earth were destroyed, what would be the effect on humans?
there would be a lack of oxygen
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heart
Other team wins 20 points!
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shark
Other team loses 20 points!
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fairy
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25
banana
Go to last place!
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15
Plants and animals are interdependent of each other. is this statement true or false?
true
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trap
No points!
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shark
Other team loses 20 points!
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rocket
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banana
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banana
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rocket
Go to first place!
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rocket
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thief
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25
15
A gas that is produced by plants during photosynthesis that animals use for respiration.
oxygen
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15
A set of events that happen over and over.....
cycle
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15
Burning Fossil Fuels can produce ...
carbon dioxide
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thief
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25
gift
Win 20 points!
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gift
Win 15 points!
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lifesaver
Give 25 points!
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15
Which type of organism gets its energy directly from the Sun?
producer (plants)
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15
A gas produced by animals during respiration that plants use for photosynthesis.
carbon dioxide
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15
Why is the CO2 and O2 cycle considered to be a cycle?
there is a continuous exchange of gases
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15
The process in which plants use energy from the sun to make their own food is called .....