Sec. 1 energy flows in ecosystems
Sec. 2 cycles of matter
Sec. 3 biogeography
Sec. 4 biomes
Sec. 5 aquatic ecosystems
100
An organism that makes its own food.
What is a producer.
100
The continuos process by which water moves from earths surface, to the atmosphere, and back
What is the water cycle
100
The study if where organisms live
What is biography
100
A group of land ecosystems with similar climates and organisms
What is a biome
100
A spot where fresh water of a river meets the saltwater of a ocean
What is an estuary
200
A carnivore that feeds on the bodies of dead organisms.
What is a scavenger
200
The process by which molecules of liquid water absorb energy and change to a gas
What is evaporation
200
The movement of organisms from one place to another
What is dispersal
200
An area that receives less than 25 centimetres of rain a year, and is the hottest biome
What is a desert
200
An area between the highest high-tide line and the lowest low-tide
What is the intertidal zone
300
A series of events In which one organism eats another and obtains energy.
What is a food chain
300
The process by which a gas changes to a liquid
What is condensation
300
Earth was once just one piece, or continent know as what?
What is Pangea
300
The leafy roof of rain forests
What is a canopy
300
An area below the low-tide line
What is the neritic zone
400
Many overlapping food chains
What is a food web
400
Rain, sleet, snow, and hail are all forms of what?
What is precipitation
400
The theory that continents are slowly moving with there plates
What is continental drift
400
The layer under the canopy
What is the understory
400
In this area, light only penetrates a few hundred meters
What is the deep ocean
500
A diagram that shows how much energy moves from one feeding level to another In a food web.
What is an energy pyramid
500
The process of changing free nitrogen into useable nitrogen
What is nitrogen fixation
500
The typical weather pattern in an area over a long period of time is know as
What is climate
500
An area populated by just grasses and woody plants
What is a grassland
500
Like lakes, these are standing bodies of fresh water
What is a pond
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