Water
Carbon
Nitrogen
Succession
Mixed
100
Our fresh water supply is renewed by this.
What is precipitation?
100
The process of burning fuel.
What is combustion?
100
78% of the earth's atmosphere is made up of this.
What is nitrogen gas?
100
The two types of succession.
What are primary and secondary?
100
Does the process of succession end?
What is false?
200
This is where most precipitation falls to earth.
What is the ocean?
200
The breakdown of dead materials into carbon dioxide and water.
What is decomposition?
200
These change the nitrogen gas in the soil into forms that can be used by plants.
What are nitrogen-fixing bacteria?
200
These break down rocks into small particles, and eventually form soil.
What are lichens?
200
The first plants to grow on abandoned farmland.
What are weedy plants?
300
The movement of water among the oceans, atmosphere, land, and living things.
What is the water cycle?
300
This returns to the air when the carbon in coal, oil, and natural gas are burned.
What is carbon dioxide?
300
Made of hardened remains of once-living things.
What is fossil fuel?
300
An area where an earlier community was disturbed by fire, landslide, flood, or plowing for crops.
What is secondary succession?
300
True or false. Nitrogen makes up about 50% of the air around us.
What is False?
400
Water that may stay in the ground for hundreds of years.
What is ground water?
400
The process by which carbon cycles from the environment into living things.
What is photosynthesis?
400
Contaminated rainfall.
What is acid rain?
400
The fast growing, first organisms to grow in an area undergoing ecological succession.
What is pioneer species?
400
Water that changes from a liquid to a vapor.
What is evaporation?
500
Perspiration and evaporation help regulate this.
What is body temperature?
500
During this process, sugar molecules are broken down to release energy.
What is respiration?
500
Complex organic compounds combined to form proteins that make up living matter.
What are amino acids?
500
An area that was not previously inhabited by living things.
What is primary succession?
500
These process produce carbon dioxide. (name all 3)
What is respiration, decomposition, and combustion.
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