Water Cycle
Carbon Cycle
Nitrogen Cycle
Succession
Other
100
How clouds are formed in the atmosphere
What is condensation
100
This is how most animals get the carbon they need
What is eating plants
100
Organisms need nitrogen to build ________ and ________
What is protiens and dna
100
Replacement of one community by another over time
What is succession
100
3 forms that water can exist in
What is solid, liquid, & gas
200
Is stored in underground caverns or between rocks
What is groundwater
200
Process that does not release carbon dioxide into the air
What is photosynthesis
200
Number one cause of nitrogen fixation
What is bacteria in the soil
200
Primary Succession begins with ________ or ________
What is rock or glacier
200
car burning gasoline
What is combustion
300
Change of water from liquid to vapor
What is evaporation
300
The three processes that release carbon dioxide into the air
What are respiraton, combustion, and decomposition
300
Lightning causes some _________ ________ to occur
What is nitrogen fixation
300
Forest growing back after a forest fire
What is secondary succession
300
an abandoned farm that is being taken over by weeds
What is secondary succession
400
water that falls to earth
What is precipitation
400
During respiration animals take in __________ and release __________ into the air
What is oxygen, carbon dioxide
400
Animals get the nitrogen they need by
What is eating plants
400
Lichens breaking down rock
What is primary succession
400
How secondary succession differs from primary succession
What is occurs in an area that has soil
500
falls on land and then runs into lakes, oceans, or rivers
What is runoff
500
Two ways that substances are broken down into smaller particles
What is decomposition and combustion
500
Percent of the atmosphere that is nitrogen
What is 78%
500
A lichen is an example of this
What is pioneer species
500
Desert that contains plants and animals that have been there a long time
What is mature community
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