Water Cycle
Carbon Cycle
Nitrogen Cycle
Succession
Etc.
100
the heat causes wter to change from a liquid to a vapor
What is evaporation?
100
plants use carbon dioxide from air to make sugars
What is photosynthesis?
100
percent of Earth's atmosphere made of nitrogen
What is 78%?
100
first living organisms in an area
What is pioneer species?
100
most common plant in a recently abandoned farm field
What is crabgrass?
200
clouds form in the atmosphere
What is condensation?
200
when sugar molecules are broken down to release energy
What is respiration?
200
building proteins and DNA
What is why we need nitrogen?
200
a likely pioneer species for most areas
What is lichen?
200
slow growing, well adapted species in an environment
What is climax species?
300
It is stored in underground caverns or porous rock.
What is groundwater?
300
breakdown of substances into simpler molecular substances
What is decomposition?
300
change nitrogen into forms that plants can use
What is bacteria?
300
the growth of weeds in a field after a farmer has quit using the field
What is secondary succession?
300
process mainly involved in making carbon available to living things in the form of sugars
What is photosynthesis?
400
rain, snow, sleet, hail
What is precipitation?
400
burning of a substance, such as wood or fossil fuels
What is combustion?
400
bacteria in the soil change nitrogen gas into forms that plants can use.
What is nitrogen fixation?
400
life growing in an area that previously had not grown anything
What is primary succession?
400
how decomposers contribute to the transfer of materials through an ecosystem
What is decomposers breakdown organic matter to release carbon dioxide and water into the air?
500
plants release a large amount of water vapor into the air
What is transpiration?
500
molecules that contain carbon
What is organic?
500
nitrogen in the form of a gas can be used directly by this group
What is bacteria?
500
variety of species in an area
What is biodiversity?
500
gradual development of communities over time
What is succession?
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