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43 Cards in this Set
- Front
- Back
What is landform
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The shape of earth's surface
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What does geomorphology
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Academic field that studies landform
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What are endogenic forces
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Forces originating inside earth
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What are exogenic forces
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Forces originating at or above earth surface
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Describe earth's core (Inner)
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Rigid, 900 miles
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Describe earth's core (Outer)
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Molton, 1300 miles
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Describe layers in earth (crust)
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Outer most shell, 25-30 miles
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Describe layers in earth (lithosphere)
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number of rigid slabs of plates
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Describe layers in earth (mantle)
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Rigid rocks
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Describe the softer layer
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200 miles thick tar-like
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Describe the tectonic plates
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float on tar-like
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Describe the result of collision between two oceanic plates
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produces earthquakes
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Describe the result of collision between an oceanic plates
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Heavier oceanic plate
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What would happen when two plates spread apart
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magma wells up and hardens
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What is a volcano
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An surface vents magma is expelled onto earth's surface
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What is the Ring of Fire
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where large numbers of earthquakes and volcanoes occurs
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What is an earthquake
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Sudden displacement of earth's crust
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What is folding
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crustal rocks bent in a slow plastic deformation
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What is faulting
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Rocks fractured and displaced along cracks
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What is an ecosystem
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All living organisms in an area
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Components of an ecosystem
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Decomposer, producer, and consumer
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What is a food chain
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Sequential consumption of food in an ecosystem
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What are tropic level
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An organisms position in a food chain
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What is a biomagnfication
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Increasing concentration of a substance when it moves up the food chain
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What is biodiversity
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Degree of various life
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What is species extinction
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The last member of a species dies
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Human actions causing species extinction
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Over exploitation, over harvesting, and over hunting
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Pollution that causes species extinction
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introduce contaminants
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Habitat destruction that causes species extinction
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Destroy an ecosystem that supports a species
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Introducing new predators that causes species extinction
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a species that dominate
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How many species extinction by human actions were documented between 1500 and 2007
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900
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Global warming that causes species extinction
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Rising temperatures causes certain species to extinct
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Where can you find forests
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In places with ample annual precipitation
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3 types of forests
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Mid-latitude, grassland, and needleleaf
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Where can you find grasslands
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In places with semi-humid conditions
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3 types of grasslands
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tropical savanna, subtropical scrubland, and mid-latitude
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Describe tundra vegetation
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Low plants, woody shrubs, no trees
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2 types of wetlands
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swamps and marches
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Characteristics of animal regions
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Ethiopian, oriental, palearctic, and pacific island region
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What is a resource
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Anything from nature that people used and value
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Different types of minerals
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Metallic, non-metallic, and energy
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What is zero-growth
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Lasting environmental protection only achievable via a halt
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Green-growth
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The new source of economic growth
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