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WorksheetsDo Now 3/1/24
Total questions: 11
Worksheet time: 8mins
Name
Class
Date
1.
Which one of these does not add CO2 to the atmosphere?
a)
cooking with gas
b)
planting trees
c)
burning wood
d)
riding in a bus
2.
How do living organisms return carbon to the atmosphere in the carbon cycle?
a)
respiration and photosynthesis
b)
decomposition and respiration
3.
In the carbon cycle, producers take in the gas __
a)
carbon dioxide
b)
oxygen
c)
nitrogen
d)
carbon monoxide
4.
How does carbon affect global warming?
a)
Speeds up the effects of global warming
b)
Slows down the effects of global warming
c)
Does nothing to the speed of global warming
d)
Global warming is FAKE
5.
If the plant population decreased, the amount of carbon would _________.
a)
Stay the same
b)
Increase
c)
Decrease
6.
If the animal population decreased, the amount of carbon would _____.
a)
Stay the same
b)
Increase
c)
Decrease
7.
How nitrogen is "fixed" into useable form for plants...
a)
through action of bacteria only
b)
through lightning only
c)
through action of bacteria & lightning
d)
through photosynthesis
8.
What is the process of combining nitrogen gas with other elements to make nitrogen into usable compounds?
a)
nitrogen composition
b)
ammonia
c)
nitrogen fixation
d)
denitrification
9.
Organisms require nitrogen to make which of the following?
a)
glucose and starch
b)
lipids and nucleic acids
c)
proteins and nucleic acids
d)
carbohydrates and proteins
10.
The process where excess nutrients enter body of water causing overgrowth of aquatic plants and algae...
a)
Eutrophication
b)
Acid Precipitation
c)
Nitrogen Fixation
d)
Decomposition
11.
How do animals get nitrogen?
a)
the atmosphere
b)
eating other organisms
c)
bacteria
d)
lightning
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