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9thEnvironmental Sci

JORGE - Chapter 1-Section 1 OUTLINE Page 3-4

DISPOSE SPACESHIP EARTH: Earth can be compared to a spaceship traveling through space as it cannot _____________ of its waste or taken on new supplies
CLOSED SPACESHIP EARTH: Earth is essentially a _________ system- the only thing that enters the Earths atmosphere in large amounts is energy from the sun, and the only thing that leaves in large amounts is heat.
LIMITED SPACESHIP EARTH: Some resources are ___________ and as the population grows the resources will be used more rapidly.
WASTE SPACESHIP EARTH: There is also the possibility that we produce _________ more quickly than we can dispose of them of them.
LOCAL SPACESHIP EARTH: A _________ example would be your community discussing where to build a new landfill.
REGIONAL SPACESHIP EARTH: A _____________ example would be a polluted river 1,000 miles away affecting the regions water.
GLOBAL SPACESHIP EARTH: A _________ example would be the depletion of the ozone layer.
POPULATION, FACTOR SPACESHIP EARTH: The Industrial Revolution, modern medicine, and sanitation all allowed the human _____________ destruction and pesticide _____________.
HABITAT, POPULATION SPACESHIP EARTH: Producing enough food for large populations has environmental consequences such as _______ destruction and pesticide __________.
TRIPLE SPACESHIP EARTH: Scientists think that the human population will almost ______ in the 21st century before it begins to stabilize.
RESOURCE DEPLETION, POLLUTION, LOSS OF BIODIVERSITY SPACESHIP EARTH: Environmental problems can generally be grouped into three categories: 1.______________ ___________ 2.______________ 3. ______ __ _________
NATURAL RESOURCES RESOURCES: ________ ________ are any natural materials that are used humans, such as water, petroleum, minerals, forests, and animals- and are classified as either a renewable resources or a nonrenewable resource.
RENEWABLE RESOURCES: _______________ resources can be replaced relatively quickly by natural process.
NONRENEWABLE RESOURCES: _________________ resources form at a much slower rate than they are consumed.
DEPLETED RESOURCES: Resources are said to be __________ when a large fraction of the resource has been used up.
MILLIONS RESOURCES: Once the supply of a nonrenewable resource has been used up, it may take _____________ of years to replenish it.
DEFORESTATION RESOURCES: Renewable resources, such as tree, may also be depleted causing ___________________ in some areas.
POLLUTION POLLUTION: ____________ is an undesirable change in the natural environment that is caused by the introduction of substances that are harmful to living organisms or by excessive wastes, heat, noise, and radiation.
BIODEGRADEABLE POLLUTION: ___________________________ pollutants, which cannot be broken down by natural processes and include materials such as newspaper.
NONDEGRADEABLE POLLUTION: ___________________________ pollutants, which cannot be broken down by natural processes and include materials such as mercury.
HUMANS POLLUTION: Much of the pollution that troubles us today is produced by _________ and the accumulation of wastes.
FASTER POLLUTION: Degradable pollutants are a problem only when they accumulate __________ than they can be broken down.
DANGEROUS POLLUTION: However, because nondegradable pollutants do not break down easily, they can build up to ____________ levels in the environment.
BIODIVERSITY BIODIVERSITY: ______________ is the variety of organisms in a given area, the genetic variation within a population, the variety of species in a community, or the variety of communities in an ecosystem.
ALIVE BIODIVERSITY: Yet, only a fraction of all the species that once roamed the Earth are alive today, and many are alive.
CONTAIN BIODIVERSITY: Scientists think that if the current extinction rates __________ , it may cause problems for the human population
Created by: asimien907



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