The Water Cycle
The Carbon Cycle
The oxygen Cycle
The Nitrogen Cycle
Review
100
Water that sinks into the ground
What is ground water
100
Carbohydrates, fats, and _____________ contain carbon
Proteins
100
Organisms use oxygen for ___________
Cellular respiration
100
Nitrogen is a gas that makes up ___________ perfect of the air.
78
100
An organism that makes its own food
Producer
200
The most noticeable water in ecosystems is the liquid water where?
Lakes, rivers, and oceans
200
True or false: All living things are made up of carbon
True
200
Producers release oxygen as a waste product during __________________
Photosynthesis
200
The process by which certain bacteria change nitrogen gas from the air into ammonia.
Nitrogen fixation
200
An organism that feeds on other organisms
Consumer
300
Gaseous water is called?
Water vapor
300
Carbon is found in fossil fuels such as :
Coal and oil
300
Oxygen is used to release energy that is stored in ___________
What is food
300
What changes nitrogen into a form organisms can use
Bacteria
300
The feeding order of organisms in a community.
Food web
400
The process of water changing into a gas
Evaporation
400
During cellular respiration plants, animals, and other organisms produce:
Carbon dioxide
400
True or false: Oxygen is only found in the air
False
400
Where do the bacteria that change nitrogen into ammonia live?
in the soil and in the roots of some plants
400
A consumer that eats both plants and animals
Omnivore
500
True or false: Water vapor is ALWAYS in the air
False
500
Animals release carbon dioxide when they ________
Exhale
500
Most of the oxygen that organisms use come from _____________
Producers
500
True or False: DNA contains nitrogen
True
500
The place where an organism lives
Habitat
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