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Ecosystems
Ecosystems study guide
26
Science
6th Grade
05/15/2015

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Term
algae, plants, plankton
Definition
organisms that float near the surface of freshwater lakes and pondds
Term
fresh water meets ocean water
Definition
estuaries are extremely fertile, productive, nursery areas,where ___
Term
intertidal zone
Definition
a home to organisms adapted to dramatic changes in temperature
Term
rivers and streams
Definition
flowing freshwater environments
Term
deserts
Definition
an area usually covered with a thin layer of sandy or gravelly soil that contains little organic matter
Term
1. little rainfall
2. soil with little organic matter
3. few large animals
Definition
What are 3 things deserts have?
Term
ccactus
scorpions
kangaroo rats
Definition
What are three organisms found in the desert?
Term
New Zealand
southern Chile
the Pacific Northwest of the US
Definition
Where are temperate rain forests found?
Term
Douglas fir and spruce trees
black bears
cougars
Definition
What are some of the organisms in a temperate rain forest?
Term
grasslands
Definition
What ecosystem has a wet season sustaining grass, wheat and other grains for grazing animals including kangaroos, wildebeests, and cattle?
Term
temperate deciduous forests
Definition
What ecosystem is located in the eastern US and Europe, has four seasons, trees that lose leaves in autumn, and precipitation throughout the year, and organisms that include the white tail deer?
Term
tundra
Definition
Which ecosystem is cold, dry, and has days where there is little to no sunlight, organisms include the snowy owl, reindeer, and lichens?
Term
taiga
Definition
Which ecosystem is located just south of the tundra and has cone bearing evergreen trees and elk?
Term
tropical rain forest
Definition
Which ecosystem is located near the equator including South America and contains more biological species than anywhere else in the world?
Term
primary succession
Definition
the development of new communities in newly create land areas without any soil
Term
in an abandoned parking lot
or after an erupting volcano
Definition
Primary succession would occur ___?
Term
secondary succession
Definition
___ takes place in an area with soil that was once the home of living organisms.
Term
flooded lands
abandoned logging areas
land after forest fires
Definition
Where are three places secondary succession takes place?
Term
climax community
Definition
an area that has reached a stable stage of ecological succession
Term
beach-maple forest
Definition
What is an example of a climax community?
Term
lichens
moss
ferns
Definition
What are 3 examples of organisms that are pioneer species?
Term
climate
Definition
the average weather pattern in an area over a long period of time
Term
ecological succession
Definition
the gradual change that occurs in the types of species that live in an area
Term
biomes
Definition
large geographic areas with similar climates and ecosystems
Term
permafrost
Definition
the soil layer below the thawed surface in tundra and taiga biomes
Term
lighted zones
Definition
the foundation of open ocean food chains
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