2 For what purposes do we use land? Farming, mining, recreation, building cities and roads.
3 Land that is covered mainly with buildings and roads. Urban land
4 An area that contains 2500 or more people and has a governing body. Urban area
5 Land that contains relatively few people and large areas of open space. Rural area
6 Land used to graze livestock and wildlife. Rangeland
7 Land used for harvesting wood, wildlife, fish, nuts, and other resources. Forest land
8 Land used to grow plants for food and fiber. cropland
9 Land used for recreation and scenic enjoyment and for preserving native animal and plant communities and ecosystems.Parks and Preserves
10 Land that is difficult to use for human purposes. Wetlands, mountains, and deserts
11 What is the percentage of land that is used for cropland in the United States? 20%
12 What is the percentage of land that is used for range and pasture land in the United States? 26%
13 What is the percentage of urban land in the US? 6%
14 Each person in a developed country uses the ecosystem services provided by about _____ hectares of land and water.8
15 The movement of people from rural areas to cities is known as ___________. Urbanization
16 How is a metropolitan area defined by the US census bureau? Small towns that grow together to form larger urban areas.
17 How can a rapidly increasing population overwhelm infrastructure? Traffic jams, substandard housing, polluted air and water. The growth rate may increase faster than the ability to add infrastructure.
18 What is the infrastructure for a city? Roads, sewers, railroads, bridges, canals, police stations, schools, hospitals, water mains, power lines….etc
19 The rapid expansion of a city into the countryside around the city. Urban sprawl
20 Land that is poorly suited for building Land that is poorly suited for building. (slopes of mtns, landslide areas, floodplains)Marginal land
21 The increased temperature in a city. Heat island
22 What methods may city planners utilize to reduce the heat island effect? Plant trees for shade. Install rooftops that reflect rather than retain heat.
23 Determining in advance how land will be used. Land use planning
24 A computerized system for storing, manipulating, and viewing geographic data. GIS geographic information system
25 Open spaces in urban areas left in their natural condition Open spaces in urban areas left in their natural condition. These include parks, public gardens, and hiking trails.greenbelts
26 Allowing more animals to graze in an area than the range can support. Overgrazing
27 Land that supports different vegetation types like grasslands, shrublands, and deserts and that is not used for farming or timber production.rangeland
28 Why was the Public Rangelands Improvement Act of 1978 enacted? To improve land management practices.To improve the quantity of vegetation in rangeland.
29 What is the average amount of wood used by each person in the world each day? 1800 cubic cm per day
30 In developing countries, how many people depend on firewood as their main source of fuel? About 1.5 billion
31 How does the timber industry classify forest lands? Virgin forest, native forest, tree farms
75 A chemical that interferes with some stage of a pest’s life cycle. Growth regulator
76 Chemicals produced by one organism that affect the behavior of another organism. pheromones
77 What is an example of a cultivation control? Vacuuming insects off of plants
78 Why do farmers save the seeds from the best fruits and vegetables for the next crop? They are more likely to contain the genes for pest resistance.
79 Plants that result from genetic engineering. GM plants genetically modified
80 Animals that are bred and managed for human use. domesticated
81 Catching or removing from a population more organisms than the population can replace. overharvesting
82 The raising of aquatic organisms for human use or consumption. aquaculture
83 Domesticated animals that are raised to be used on a farm or ranch or to be sold for profit. livestock
84 Why is the percentage of seafood produced by aquaculture increasing so rapidly? Overharvesting is reducing the amount of fish in the oceans. 20% of the animal protein consumed comes from fish. Aquaculture can provide a large amount of food in a shorter time.