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Aaric's Science class Ch. 2
Flash cards
15
Science
7th Grade
10/03/2011

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Cards

Term
Producer
Definition
Organisms that makes it's own food.
Term
Consumer
Definition
Organisms that eats other organism.
Term
Decomposer
Definition
Organisms that breaks down waste and dead organism 
Term
Food Chain
Definition
A series of events in which one organism eats another and obtains energy.
Term
Food Web
Definition
The pattern of overlapping food chains in an environment.
Term
Energy Pyramid
Definition
A diagram that shows the amount of energy that moves from one feeding level to another in a food web.
Term
Water Cycle
Definition
A continuous proccess in which water travels through living and non-liviving things.
Term
Evaporation
Definition
Molecules in liquid absorb energy and change into a gas.
Term
Condensation
Definition
Gas changes to a liquid.
Term
Precipitation
Definition
Rain, snow, sleet, or hail.
Term
Nitrogen Fixation
Definition
Changing free nitrogen gas into a usable form. 
Term
Biome
Definition
A group of land ecosystems with similar climates and organisms.
Term
Estuary
Definition
Where fresh water meets salt water.
Term
Intertidal Zone
Definition
The area between the highest high-tide line and the lowest low-tide line.
Term
Neritic Zone
Definition
The regoin of shallow ocean water over the continental shelf.
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