Vocab
This land is your land
Dirty Dirt
Farmer John
Gone Fishin'
100
very hot and dry
What is arid
100
2%
What is the amount of land in the US that is considered urban
100
good for farming
What is arable
100
number 1 cause of famines
What is drought
100
the temperature at the bottom of a lake in the summer
What is 39 degrees
200
permanently frozen soil
What is permafrost
200
80%
What is the % of people in the US who live in urban areas
200
the soil type found in Loudoun County
What is forest soil
200
best soil type for growing plants
What is loam
200
the name given to the very bottom of the ocean
What is the abyssal zone
300
trees that drop their leaves
What are deciduous
300
"moose & spruce" biome
What is the Taiga
300
problem found in the Midwest because of cows
What is overgrazing
300
these have replaced many traditional family farms
What is factory or industrialized farms
300
the ecosystem with the highest species diversity in North America
What is a wetlands
400
name given to first species to occupy bare rock, like moss
What is pioneer species
400
the name of the effect that causes the leeward side of mountains to be drier than the windward side
What is Rainshadow Effect
400
US midwest cropland soil type
What is grasslands
400
using certain farming practices so that topsoil (a valuable resource) is not lost and the land remains fertile for generations to come
What is sustainable farming
400
the name of the open ocean area
What is the pelagic zone
500
development of an ecosystem from bare rock
What is primary succession
500
where the acacia tree is found
What is the savanna
500
act that provided regulations for government owned grazing lands in the west
What is Public Rangelands Improvement Act of 1978
500
the name of the movement that changed how many farms are run using lots of pesticides and herbicides
What is the Green Revolution
500
the part of a climatograph shown by a bar graph
What is precipitation
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